cylinder is a rectangle with a length of 25.12 centimeters and a width of 5 centimeters. How much is the surface area of the cylinder when it is cut and put together into a rectangle than the surface area of the original cylinder?
一个圆柱体侧面展开是一个长25.12厘米，宽5厘米的长方形，那么把这个圆柱体切开拼成长方体的表面积比原来圆柱体的表面积大了多少？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 5 * 2</gadget>
<output>40</output>

<result>40</result>