If a cylinder is cut into the largest cone, the volume is reduced by 120 cubic centimeters, what is the volume of the cone?
把一个圆柱体削成一个最大的圆锥体，体积减少了120立方厘米，这个圆锥的体积是多少．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>