The lateral area of a cylinder is 125.6 square centimeters and the radius is 4 centimeters. What is the volume of this cylinder in cubic centimeters?
一个圆柱的侧面积是125.6平方厘米，半径是4厘米，这个圆柱的体积是多少立方厘米．
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

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

<gadget id="calculator">125.6 / 25.12</gadget>
<output>5</output>

<gadget id="calculator">50.24 * 5</gadget>
<output>251.2</output>

<result>251.2</result>