If a cylinder and a cone have the same base and height, their total volume is 48cm**3, what is the volume of the cone in cm**3.
如果一个圆柱和一个圆锥等底等高，它们的体积一共是48cm**3，圆锥的体积是多少cm**3．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

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

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<result>12</result>