One is a 15 meter long and 12 meter wide rectangular sheet iron, which is divided into nine parts on average. How many square meters is each? How many parts of this sheet iron is each?

One is a 15 meter long and 12 meter wide rectangular sheet iron, which is divided into nine parts on average. How many square meters is each? How many parts of this sheet iron is each?

A total of 15 * 12 = 180 square meters
Each is 180 / 9 = 20 square meters
Each is one ninth of the sheet