Can someone please help me solve this?

Can someone please help me solve this? I would appreciate the steps broken down so I can understand it better. Thank you.

The unit cell in a crystal of diamond belongs to a crystal system different from any we have discussed. The volume of a unit cell of diamond is 0.0454 nm3 and the density of diamond is 3.52 g/cm3 Find the number of carbon atoms in a unit cell of diamond.