If the lateral area of a cylinder is 50.24 square decimeters and the radius of the base is 2.5 decimeters, what is the volume in cubic decimeters?
一个圆柱体的侧面积是50.24平方分米，底面半径是2.5分米，体积是多少立方分米．
<gadget id="calculator">50.24 / 2</gadget>
<output>25.12</output>

<gadget id="calculator">25.12 * 2.5</gadget>
<output>62.8</output>

<result>62.8</result>