The height of a cone is 9cm, the area of the bottom is 12.56cm, what is its volume in cm**3.
一个圆锥体高是9cm，底面积是12.56cm，它的体积是多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12.56 * 9</gadget>
<output>37.68</output>

<result>37.68</result>