When a cube with a volume of 1 cubic decimeter is sawed into 64 small cubes of the same size, the surface area increases by square centimeter

When a cube with a volume of 1 cubic decimeter is sawed into 64 small cubes of the same size, the surface area increases by square centimeter

10 * 10 * 3 * 2 * 3 = 1800 square centimeter