A cylinder has a base circumference of 25.12 meters and a height of 6 meters. What is its volume in cubic meters?
一个圆柱的底面周长是25.12米，高6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">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 6</gadget>
<output>301.44</output>

<result>301.44</result>