Surface Areas & Volumes

A pen stand made of wood is in the shape of a cuboid with four conical depres- sions and a cubical depression to hold the pens and pins, respectively. The dimen- sion of the cuboid are 10 cm, 5 cm and 4 cm. The radius of each of the conical depressions is 0.5 cm and the depth is 2.1 cm. The edge of the cubical depression is 3 cm. Find the volume of the wood in the entire stand.