What is the volume of a cone whose base radius is 3 cm and whose height is 10 cm?
一个圆锥的底面半径是3厘米，高是10厘米，体积是多少立方分米．
<gadget id="calculator">3.14 * 3 * 4</gadget>
<output>37.68</output>

<result>37.68</result>