"I've figured it out."

As soon as Lu Yaoyao opened his mouth, everyone was so surprised that they forgot to come over.

"How fast? How is it possible?"

Hu Yanlan, who was facing Lu Yaoyao's incompetent question, looked over with wide eyes.

"How fast? Let me see what kind of questions it is."

Wang De quickly walked down and put away the paper in front of Lu Yaoyao.

After taking it, Emperor Hongwen was also a little confused.

What the hell is this?

What about the steps? How about an answer?

However, after he was stunned, his attention was immediately attracted by this question, and at the same time he began to calculate it silently in his mind.
Chapter completed!