A water tank is a rectangular prism that is 11 meters long, 9 meters wide, and 6 meters high.
A solid metal box 4 meters long, 3 meters wide, and 5 meters high is sitting inside the tank.
The tank is filled with water.
What is the volume of the water in the tank? :
Subtract the vol of the box from the volume of the tank
w = (11*9*6) - (4*3*5)