The height of a cylinder is 5 decimeters, the lateral area is 62.8 square decimeters, what is its volume?
一个圆柱的高是5分米，侧面积是62.8平方分米，体积是多少．
<gadget id="calculator">62.8 / 5</gadget>
<output>12.56</output>

<gadget id="calculator">3.14 * 2</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>

<result>62.8</result>