The base area of a cylinder is 50.24 square centimeters. If the base remains the same and the height increases by 2 centimeters, its lateral area is 125.6 square centimeters. What is the original volume of the cylinder in cubic centimeters?
一个圆柱的底面积是50.24平方厘米，如果底不变，高增加2厘米后，它的侧面积是125.6平方厘米，原来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 * 4 * 2 * 2</gadget>
<output>50.24</output>

<gadget id="calculator">125.6 - 50.24</gadget>
<output>75.36</output>

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

<gadget id="calculator">75.36 / 25.12</gadget>
<output>3</output>

<gadget id="calculator">3.14 * 16 * 3</gadget>
<output>150.72</output>

<result>150.72</result>