This is a picture of a cube and the net for the cube.

What is the surface area of the cube?

48 mm²
64 mm²
112 mm²
384 mm²

A cube and a net of the cube are shown. The edge length of the cube is labeled 8 millimeters. The net consists of 4 squares connected horizontally, and 1 square attached to the top of the fourth square and 1 square attached to the bottom of the first square. One square in the net is labeled with a side length 8 millimeters.