The height of the cone and the radius of the ground are both equal to the side length of a cube. Given that the volume of the cube is 120 cubic centimeters, find the volume of the cone.
圆锥的高和地面半径都等于一个正方体的棱长．已知这个正方体的体积是120立方厘米，求圆锥的体积．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 3.14 * 120</gadget>
<output>125.6</output>

<result>125.6</result>