Find the work done in pumping gasoline that weighs 42 pounds per cubic foot. A cylindrical gasoline tank 3 feet in diameter and 8 feet long is carried on the back of a truck and is used to fuel tractors. The axis of the tank is horizontal. The opening on the tractor tank is 5 feet above the top of the tank in the truck. Find the work done (in ft-lb) in pumping the entire contents of the fuel tank into the tractor. {Round your answer to the nearest integer.) lit-lb