The difference between the volume of a cone and a cylinder with the same base and equal height is 24 cubic decimeters. What is the volume of this cone?
等底等高的圆锥和圆柱体积之差是24立方分米，这个圆锥的体积是多少立方分米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<result>12</result>