If the sum of the volumes of a cylinder and a cone with the same base and height is 48 cubic centimeters, what is the difference between their volumes?
一个圆柱和一个与它等底等高的圆锥的体积之和是48立方厘米，它们的体积之差是多少．
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">36 - 12</gadget>
<output>24</output>

<result>24</result>