Which situation would require finding the surface area?

Which situation would require finding the surface area?

Billy needs to calculate how much paint is needed to cover the front side of his playhouse door.

Jane needs to find out how much wrapping paper is needed to cover a package.

Carol needs to find out how much water will fill a cylinder.

Tommy would like to know how much wood is needed to build a fence around his garden.

Billy needs to calculate how much paint is needed to cover the front side of his playhouse door.