If a cylinder of 12 cubic centimeters is cut into the largest cone, what is the volume of the cone?
把一个12立方厘米的圆柱削成一个最大的圆锥体，这个圆锥体的体积是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<result>4</result>