A cylindrical pool has a perimeter equal to 25.12 meters and a height of 3 meters. What is its volume in cubic meters?
一个圆柱形水池，周长等于25.12米，高是3米，它的体积是多少立方米？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 4</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 * 3</gadget>
<output>150.72</output>

<result>150.72</result>