If 12 cubic meters are cut off from a cylinder, it is exactly cut into a cone with the same base and height as it. What is the volume of this cylinder in cubic decimeters?
一个圆柱削去12立方米，正好削成是一个与它等底等高的圆锥，这个圆柱的体积是多少立方分米．
<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">12 / (2/3)</gadget>
<output>18</output>

<result>18</result>