Question

A closed box is made of 2 cm thick wood with external dimensions 84 cm x 75 cm x 64 cm Find the volume of the wood required to make the box

Answer 1

$84 \times 75 \times 64 = 403200 \\ 80 \times 71 \times 60 = 340800 \\ 403200 - 340800 = 62400$