A salted fishapos;s

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","This brick-making stove isn't used by me, it's for ordinary people to cook with. It uses less smoke and doesn't irritate the nose.","Then I'll order 20,000 blue bricks and 20,000 red bricks. Uncle, give me a discount."。