The old man glanced at him a few times, then looked at Qi Si and said, "My eldest son has gone to serve his duty, so now it's just me and my youngest son working. Li Ma will tell you that I'm slow at making bricks. How many do you need",The old man said, "It depends on how many houses you want to build. Six houses would cost about 40,000, three houses around 20,000. How many houses are you planning to build",It seems like they're also going to build a house for Grandma...。