The volume of a cube is 120cm**3, and the diameter and height of the base of a cone are equal to the length of the sides of the cube. Find the volume of the cone.
一个正方体的体积是120cm**3，一个圆锥的底面直径和高都等于该正方体的棱长，求这个圆锥的体积．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) * 3.14 * 120</gadget>
<output>31.4</output>

<result>31.4</result>