A cone and a cylinder have the same base and height. It is known that the volume of the cone is 12 cubic decimeters less than that of the cylinder. What is the volume of the cone?
一个圆锥和一个圆柱等底等高，已知圆锥的体积比圆柱少12立方分米，圆锥的体积是多少立方分米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<result>6</result>