Seth has a 20-gallon fish tank full of water that he needs to move from one room to another. He pours out all the water. The fish tank is a right rectangular prism. The fish tank weighs 831 pounds when it is filled with water.
The dimensions of the water inside the fish tank are 45 inches by 24 inches by 24 inches.
1 cubic foot of water weighs 62.4 pounds.

Wnter the weight of the fish tank when it is enpty to the nearest pound