The treasure chest in the form of half cylinder surmounted on a cuboid of dimension 28 \(cm\) \(\times\) 18 \(cm\) \(\times\) 31 \(cm\). The cylindrical part is of radius 8 \(cm\) and height 28 \(cm\). Find the capacity of the chest.

Answer:
The capacity of the treasure chest \(=\) ___________ \(cm^3\)
Reference:
https://pixabay.com/vectors/chest-brown-wooden-box-glossy-150392/