A cylinder, the circumference of the bottom area is 50.24cm, the height is 12cm, what is its volume in cm**3.
一个圆柱，底面积周长是50.24cm，高是12cm，它的体积是多少cm**3．
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64 * 12</gadget>
<output>2_411.52</output>

<result>2_411.52</result>