If a cylinder and a cone have the same base and height and their sum is 48 cubic centimeters, what is the volume of the cone in cubic centimeters?
如果一个圆柱体和一个圆锥体等底等高，它们的体积和是48立方厘米，那么圆锥体的体积是多少立方厘米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

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

<result>12</result>