After the edge length of a square is shortened by half, the surface area of the small cube is 72 square centimeters less than the original. What is the surface area of the original square?

After the edge length of a square is shortened by half, the surface area of the small cube is 72 square centimeters less than the original. What is the surface area of the original square?

The original surface area is 72 ÷ (4-1) × 4 = 96 square centimeter