brief introduction:

Then you tell me, how many bricks would it take to build a house asked Lao Er.,Seeing the old man's hesitation, Yan Laowu decisively drew his knife and said: "Old man, blue bricks are 20,300 per unit, red bricks are 20,800 per unit, a total of 48,000.",Which one is longest, that's the one to choose first.。

• Latest chapter： Chapter 165: Buying Bricks and Stones >