After putting a cylinder 8 decimeters high into an approximate cuboid with the same base as the cylinder, the surface area increases by 24 square minutes, and the volume of the cylinder is the sum of the formula and the formula

After putting a cylinder 8 decimeters high into an approximate cuboid with the same base as the cylinder, the surface area increases by 24 square minutes, and the volume of the cylinder is the sum of the formula and the formula

The increased surface area is two radii * high
therefore
24÷2÷8=1.5dm
What you get is the radius
And then find the volume
V-column = π r2h
V=π*1.52*8
=18π
=56.52dm3