The Pearl Restaurant put a rectangular prism-shaped aquarium in its lobby. The base of its aquarium is 7 feet by 3 feet, and the height is 6 feet.
The Jade Restaurant's aquarium can hold 40 cubic feet of water.
How many more cubic feet of water does the Pearl Restaurant's aquarium hold than the Jade Restaurant's aquarium?
Pearl's volume = 7*3*6 cubic feet
= 126 cubic feet
finish it up