cone is 12 cubic decimeters less than the volume of a cylinder with the same base and height. What is the volume of the cone?
一个圆锥体比和它等底等高的圆柱体的体积少12立方分米，这个圆锥体的体积是多少立方分米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 / (2/3)</gadget>
<output>18</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<result>6</result>