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

Explanation

To find the volume of the wood in the pen stand, we will follow these steps:

### Step 1: Calculate the volume of the cuboid (pen stand).
The formula for the volume of a cuboid is:
\[ \text{Volume of cuboid} = \text{Length} \times \text{Breadth} \times \text{Height} \]
Given dimensions:
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