Do you mean, "Examples of problems involving the surface area of a cube?"
The unit for surface area is unit^2 or unit squared.
Okay, if that is the case, the formula of the surface area of cube if I am not mistaken is:
6s^2
Problems:
1.) A side of a cube is 6m. What is the surface area of the cube?
2.) The area of a face of a cube is 60 m^2. What is the surface area of the cube?
3.) The combined area of the 4 faces of a cube is 40 cm^2. What is the surface area of the cube?