Answer: 2(h × W) + 2(h × L) + 2(W × L)
Step-by-step explanation: The width, height, and length of a box can all be different. If they are the same, then the box will become a perfectly square box. The volume, or amount of space inside a box is h × W × L. The outside surface area of a box is 2(h × W) + 2(h × L) + 2(W × L)