The volume of a conical sand pile is 25.12 cubic meters, and the radius of the base is 2 meters. What is the height of the sand pile?
一个圆锥形沙堆的体积是25.12立方米，底面半径是2米，这个沙堆的高是多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">25.12 / (1/3) / 12.56</gadget>
<output>6</output>

<result>6</result>