After cutting off a cylinder with the same base and a height of 2 cm from a cylinder with a length of 2 decimeters, the surface area of the remaining cylinder is 50.24 square centimeters less than the original one. What is the volume of the cut cylinder? centimeter.
在一根长2分米的圆柱上截下一个和它等底、高2厘米的圆柱体后，剩下的圆柱体表面积比原来少了50.24平方厘米，截下的圆柱体的体积是多少立方厘米．
<gadget id="calculator">50.24 / 2</gadget>
<output>25.12</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 2</gadget>
<output>100.48</output>

<result>100.48</result>