1. Cut a cylindrical steel material with a base diameter of 8 decimeters and a length of 2 meters into 2 small cylinders, and the surface area increases by 100.48 decimeters.

? 2. A cylindrical paint bucket has a bottom circumference of 50.24 cm and a height of 2.4 decimeters. A circle of trademark paper is pasted on the side of the paint bucket. The width of the paper is 2 decimeters. Then The area of ????this trademark paper is 1004.8 cm?; there are still 200.96 cm on the side of the paint bucket? It is not covered by the trademark paper.