It is known that the diameter of the cylinder is 1.28 meters, the height is 1.75 meters, and the gram weight per square meter is 75 grams?

It is known that the diameter of the cylinder is 1.28 meters, the height is 1.75 meters, and the gram weight per square meter is 75 grams?

(1.28÷2)^2×3.14×1.75×75
=0.64^2×3.14×1.75×75
=0.4096×3.14×1.75×75
=168.8064g
A: the weight of the cylinder is 168.8064g