Metal spheres, each of radius 2 cm are packed into a rectangular box of dimensions 16 cm x 8 cm x 8 cm. When 16 spheres are packed in the box, it is filled with preservative liquid. Find the volume of this liquid to the nearest integer, [use π =3.14]

∴ Liquid take the vacant space after packing 16 spheres in the box.

∴ Volume of liquid = Volume of the rectangular box-Volume of 16 spheres.