The box on the left is 8 inches long 8inches wife and 8 inches tall what is the surface of the box

So the box is rectangular prism of 8x8x8, namely a cube with all sides of 8 units long.

check the picture below, the cube is just 6 squares stacked up to each other at the edges, and each square is a 8x8.

so, just get the area of all 6 squares, sum them up and that's the surface area of the box,  6(8*8).