Frank keeps his pet iguana in a glass tank that is shaped like a rectangular prism. The height of the tank is 11 inches, the width is 35 inches, and the length is 25 inches. He has a chance to buy a new tank, that is also shaped like a rectangular prism. The height of the new tank is 13 inches, the width is 32 inches, and the length is 28 inches. Which tank has a greater volume? How much greater is its volume?