cylinder and a cone have the same base and height, and the sum of their volumes is 24dm**3, so how much less is the volume of the cone than the cylinder by dm**3.
一个圆柱和一个圆锥等底等高，它们的体积之和是24dm**3，那么圆锥的体积比圆柱少多少dm**3．
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 * (3/4)</gadget>
<output>18</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>

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

<result>12</result>