Below is a video showing how to find the volume of a parallelepiped. A parallelepiped is more common in every life than one might think by looking at the name, parallelepiped. But, basically most boxes are examples of parallelepipeds.
This is a geometrical diagram of a parallelepiped. A parallelepiped is a 3 dimensional representation of a parallelogram. Imagine is this 3-D parallelepiped is upright, then you will have a rectangular box that you have seen plenty of at U-Haul. Rectangular boxes are examples of rectangular parallelepipeds.
Video showing how to find the volume of a parallelepiped