บท 78: Chapter 70 The Smart and the Not-So-Smart! (6/10 for first order, seeking monthly pass)

Under the guidance of Li Jiangao, Qiao Ze and Su Mucheng signed their first contract with each other, while Xu Dajiang was enthusiastically entertaining guests from the Capital.

The world of adults was still a bit hypocritical after all.

When the people hadn't arrived, Xu Dajiang refused in all sorts of ways, wishing he could just send them back.

But when he actually met the professors from the Yanbei International Mathematics Research Institute at the station, Xu Dajiang's enthusiasm was so great that his face was all wrinkles with smiles.

It was impossible to tell that the smile was forced.

"Professor Zhang, hello, hello, welcome, welcome! I'm Xu Dajiang from the Xilin Mathematics Institute."

"Director Xu, I've heard much about you. Let me introduce you, these two are my colleagues who have come to your school for research, Qian Yuhai and Lu Changzheng."

"Professor Qian, Professor Lu, welcome to both of you."

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