Just as Li Yuanfang raised his head after calculating the accounts, Xiao Yu grabbed his arm.
"What is this?"
Xiao Yu narrowed his eyes and looked at the abacus with a strange expression.
Li Yuanfang didn't answer him directly. Instead, he asked back with a smile.
"Xu Yue, the great mathematician of the Eastern Han Dynasty. Do you know him?”
Xiao Yu stroked his beard and told him about this person's achievements without thinking.
"Xu Yue, how could I not know? During the Eastern Han Dynasty, a great mathematician first created the earliest auxiliary calculation tool, the abacus.”
"The Wandering Pearl Abacus was lost during the war. According to the records in various books, it has nothing to do with the thing in your hand. Why are you bringing this up?”
Li Yuanfang shrugged and shook the abacus in his hand.
The beads in the abacus made a clattering sound.
"The item in this disciple's hand is the upgraded version of the bead abacus. It's called the abacus, and it's a tool to assist in calculations.”
"Good, good, you did well."
Xiao Yu's eyes lit up as he looked at the palm-sized abacus and frowned.
"Why did you make it so small?"
"Cough cough, this is for disciple's own use. Of course, disciple also made a normal-sized abacus. I originally wanted to find a chance to give it to teacher later.”
Li Yuanfang said hesitantly, but he still told the truth.
"What do you mean by finding an opportunity to give it to me?" Xiao Yu raised his eyebrows in confusion.
"Hehe, I'm just afraid that Teacher will say that I'm not doing my job properly.”Li Yuanfang rubbed the tip of his nose and said somewhat embarrassedly.
"Then what are numbers? How should I improve the account book according to your method…"
Li Yuanfang answered Xiao Yu's question seriously.
The numerical symbols were Arabic numbers plus the four operations of the suggestion.
The improvement of the account book was the double-entry bookkeeping.
Next, the status of master and disciple was reversed.
Li Yuanfang was teaching, Xiao Yu was learning, and time flew by.
Xiao Yu was a very smart person. After learning it, he grabbed Li Yuanfang and went straight to the palace to see Li Shimin.
……
In the royal study, Li Shimin was working.
Now, he heard a notification.
"State Duke Song and his disciple, Prince Zhou, are here to see Your Majesty.”
Li Shiming was stunned at first, but then he realized…
The Duke of Song was Xiao Yu, and the King of Zhou was Li Yuanfang.
Thinking of this, Li Shimin made a prompt decision and called people in.
"Your Majesty, this old minister has something important to report!”
When Xiao Yu saw Li Shimin, he went straight to the point.
Li Shimin was shocked by Xiao Yu's serious attitude.
He thought to himself that this cheap uncle of his had always been unperturbed by honor and disgrace, and only because the situation in the court was unfavorable to the development of the Great Tang did his expression change.
Why was he so solemn today? Could something have happened?
Li Shimin became anxious after hearing the conspiracy theory.
"Minister Xiao, why are you so serious?”
Xiao Yu explained the abacus, double-entry bookkeeping, Arabic numbers, and simple arithmetic to Li Shimin in a clear and orderly manner. He then concluded with a powerful voice.
"Although these were created by my disciples who were lazy, I dare to say that if these are applied to the Ministry of Revenue, the heavy workload of the Ministry of Revenue will be greatly reduced.”
"Work efficiency will increase by several times. Now that the year-end inventory is approaching, this old minister implores Your Majesty to implement it immediately.”
Li Shimin frowned slightly. Carrying out what Xiao Yu said, wouldn't that mean that the Ministry of Revenue was going to reform?
Hehe, the factions in the Ministry of Revenue were complicated. If it weren't for Xiao Yu, the Ministry of Revenue would have been controlled by the aristocratic families.
Once the money bag of the imperial court belonged to someone else, he, as the emperor, would be completely passive.
Just as Li Shi Min was thinking, Li Yuan Fang tugged at Honest's sleeve.
When Xiao Yu looked over in confusion, she lowered her voice and asked.
"Teacher, are you sure that the Minister of Revenue won't make things difficult for us if we take these things out?”
Xiao Yu's face stiffened as he sized up Li Yuanfang with a strange expression.
"Why would you think that?"
"Cough cough, I overstepped my authority to find a bunch of things for the Ministry of Revenue, and it's still during the year-end inventory. It's not strange for this disciple to think so, right?”Li Yuanfang shrugged and said innocently.
"Hehe, the Minister of Revenue won't make things difficult for me, but you're in trouble.”Xiao Yu gritted his teeth and replied, his face full of black lines.
" Uh…" Li Yuanfang was speechless.
"Do you want to know why?" Xiao Yu asked again. You and I are treated differently?"
"Because the Minister of Revenue is Teacher's good friend?”Li Yuanfang silently thought to himself that he would deal with whatever came his way and guessed cooperatively.
"No, I am Hu! A division! Shang! Books!" Xiao Yu enunciated each word.
“!!!”Li Yuanfang widened his eyes in shock. Did he offend his teacher?
Li Shimin laughed heartily at this interlude.
"Yuanfang, you never knew which position Minister Xiao held in the court?”
"I don't know. Little Brother Chen only thought that Teacher was a calligraphy expert, but Teacher never mentioned it.”Li Yuanfang shook his head honestly.
"Minister Xiao, I think it's better to expel such a brainless disciple from the sect.”Li Shi Min joked, feeling good.
"Thank you for your consideration, Your Majesty. I am confident that I can teach this disciple well.”Xiao Yu bluntly rejected Li Shimin's suggestion. In fact, he still liked the smart Li Yuanfang.
Li Shi Min laughed out loud again and turned around to shout at Feng Le.
"Summon Zhangsun Wuji, Fang Xuanling, and Du Ruhui to come to the royal study as quickly as possible.”
"Understood!"
Feng Le responded respectfully and jogged out of the royal study.
……
In less than half an hour, the three people who had suddenly received the Emperor's order rushed to the royal study without stopping.
He thought that there was something urgent, but when he came in, he saw Li Shimin and Xiao Yu chatting enthusiastically.
For some reason, when the three of them saw this scene, they suddenly heaved a sigh of relief.
Since His Majesty could still smile, it seemed that the matter was not that serious.
Thinking of this, the three of them bowed respectfully to Li Shiming and reminded him that they were here.
"We will attend Your Majesty's banquet."
"No need for formalities. My three beloved ministers, come and sit. Let's sit down and talk.”
After the three of them took their seats, the old fox Zhangsun slyly poured tea for his colleagues. He did not intend to stand out.
Fang Xuanling glanced at Xiao Yu and asked curiously.
"His Majesty urgently summoned us here. The so-called matter is probably related to the Duke of Song.”
"Half." Xiao Yu smiled slyly.
Li Yuanfang's intuition told him that he had seen an invisible confrontation, but he couldn't explain it.
At this moment, Li Shiming coughed twice to attract everyone's attention.
"Minister Xiao, don't keep them in suspense. You'll explain it to them.”
"This old minister obeys the decree!"
Xiao Yu nodded and repeated what he had told Li Shiming before. He emphasized the benefits of these things to the Ministry of Revenue and how important they were to the Ministry of Revenue.
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