What is the square of the surface area and the cube of the volume of a cuboid 10 cm long, 6 cm wide and 5 cm high?

What is the square of the surface area and the cube of the volume of a cuboid 10 cm long, 6 cm wide and 5 cm high?

The surface area is 10 × 6 × 2 + 10 × 5 × 2 + 6 × 5 × 2
=120+100+60
=280 (square centimeter)
The volume is 10 × 6 × 5
=60×5
=300 (cm3)