Cut a cube with a volume of 64 cubic centimeters from a 6 cm long cuboid. How many square centimeters is the original surface area of the cuboid

Cut a cube with a volume of 64 cubic centimeters from a 6 cm long cuboid. How many square centimeters is the original surface area of the cuboid

Because 4 × 4 × 4 = 64, the side length of the cube is 4cm. The surface area of the cube is
6 × 4 × 4 + 4 × 4 × 2 = 128 (cm2)