A cylinder and a cone have the same base and height, and the sum of their volumes is 48 cm. What is the volume of the cylinder in cm?
一个圆柱和一个圆锥等底等高，它们的体积的和是48cm，圆柱的体积是多少cm．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

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

<gadget id="calculator">48 * (3/4)</gadget>
<output>36</output>

<result>36</result>