1980 How many square meters of five big tile houses in Henan?

In 1980s, the width of tile houses in Henan was generally 3.5 meters, the depth was 6 meters, and 5×3.5×6= 105, so the area of five large tile houses was about 105 square meters.

Huafu Building is a traditional residential building in China. Its biggest feature is the use of tile roof, which is particularly rich in forms and has its own characteristics, so it once prevailed in the country.