The lateral area of a cylinder is 100.48cm**2, and the height is exactly equal to the radius of the bottom surface. Find the volume of this cylinder.
一个圆柱的侧面积为100.48cm**2，高恰好与底面半径相等，求这个圆柱体的体积．
<gadget id="calculator">3.14 * 16 * 4</gadget>
<output>200.96</output>

<result>200.96</result>