A cylinder is cut into the largest cone, and the volume cut off is 18 cubic centimeters. What is the volume of the cylinder in cubic centimeters?
一个圆柱削成一个最大圆锥，已知削去的体积18立方厘米，圆柱的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">18 / (2/3)</gadget>
<output>27</output>

<result>27</result>