The height (width) of the trademark paper is the same as that of the cuboid, and the length of the trademark paper is the circumference of the bottom of the cuboid.

The area of trademark paper is (12+ 12)*2*8=384 square centimeters.

Or the area of the trademark paper is12 * 8+12 * 8+12 * 8+12 * 8 = 384 square centimeters.

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