Sam decides to paint the outside of a cylindrical tank. Sam has one cylindrical tank (Tank A) that has a diameter of 8 feet and a height of 9 feet 6 inches. He also has a cylindrical tank (Tank B) that has a radius of 3 feet and a height of 10 feet 3 inches. Assuming that he paints the bottom, but the tanks have no tops, which tank will need the most paint?