If a cylinder with a volume of 18 C㎡ is cut into the largest cone, what is the volume of the cut cone?
把一个体积是18C㎡的圆柱削成一个最大的圆锥，削成的圆锥的体积是多少．
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>