To answer this question, you have to pass the math exam first. If you fail the math exam, you won't answer it.

Because 1 kg is equal to 10 Liang, half a catty of meat is equal to 5 Liang. During the Chinese New Year this year, pork reached a record high per catty, and the working class could hardly afford to eat pork of more than 30 yuan per catty, but did the pig farmers get benefits? I don't think so. It was all transferred by middlemen. That's it.