C280 Calculation plus Calculation

After Kong Xuan received the order, he ordered for Chong Marquis Hu to enter the palace overnight.

When Chong Marquis Hu saw Li Zhi in the study room, he didn't know what Li Zhi's intentions were.

Li Zhi pointed to a big screen at the side and said to the Chong Marquis Hu: "I let you come here because of a thing that I want Duke Bei to see. What do you think this is?"

As he spoke