A rectangular iron sheet with a length of 3 1.4cm and a width of 15.7cm forms a cylinder. The circumference of the cylinder bottom is (3 1.4cm), the height is (15.7cm), the side area is (492.98cm2) and the volume is (65438+). The height is (3 1.4cm), the side area is (492.98cm2) and the volume is (6 16.225cm3).