A cylinder and a cone have the same base and height, and the sum of their volumes is 24 cubic decimeters. How much cubic decimeters is the volume of the cylinder greater than the volume of the cone?
一个圆柱和一个圆锥等底等高，它们的体积之和是24立方分米，圆柱的体积比圆锥的体积大多少立方分米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

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

<gadget id="calculator">18 - 6</gadget>
<output>12</output>

<result>12</result>