A cylinder has a lateral area of 753.6 square centimeters and a base radius of 4 centimeters. Find the volume of the cylinder.
一个圆柱，侧面积是753.6平方厘米，底面半径为4厘米，求圆柱的体积．
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

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

<gadget id="calculator">753.6 / 25.12</gadget>
<output>30</output>

<gadget id="calculator">3.14 * 16 * 30</gadget>
<output>1_507.2</output>

<result>1_507.2</result>