After the lateral area of a cylinder is expanded, a square with a side length of 25.12 cm is obtained. What is the volume of this cylinder in cm**3.
一个圆柱的侧面积展开后，正好得到一个边长25.12cm，的正方形，这个圆柱的体积是多少cm**3．
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 25.12</gadget>
<output>1_262.0288</output>

<result>1_262.0288</result>