The volume of a cone is 25.12cm**3, its base radius is known to be 2cm, find its height.
一个圆锥体积25.12cm**3，已知它的底面半径2cm，求它的高．
<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>