8×8×8 is the area of a cube, which is the area of a cuboid.

Rectangular =abh, so h = v \s

②50× 12×2.5× 1 = 1500(T)

Is to find out the size of the swimming pool

③ 16×5=80(cm？ )

This problem is to find the volume of rising water, that is, to find the volume of a cylinder.

Given the bottom area, the formula is: V-pillar =Sh.