Help please this is due today!!!!!!!!!!!!!!!!! I would give it a 5 star and thanks for it.

The office building where Ryan works is made up of two cube-shaped pieces. At lunchtime, Ryan and his other office workers walk around the edge of the building for exercise. If the volume of the larger part is 65,000 m³and the volume of the smaller part is 4000 m³, what is the distance around the edge of the building?