If a cylindrical wood is cut into the largest cone, the volume of the cut part is 6 cubic centimeters larger than the volume of the cone. What is the volume of the original cylindrical wood?
把一个圆柱形木料，削成一个最大的圆锥，削去部分的体积比圆锥体积多6立方厘米，原来圆柱形木料的体积是多少．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>