author:Diary of a Housewife
state:in the series
profile:
Qing bricks cost one copper coin each, and red bricks cost one copper coin each.,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",The old man can tell who is the one good at talking.。