The height of a cylinder is 62.8 cm, and its side view is a square. Find the volume of the cylinder.
一个圆柱的高是62.8厘米，它的侧面展开图是一个正方形，求这个圆柱的体积．
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 62.8</gadget>
<output>19_719.2</output>

<result>19_719.2</result>