A cylinder and a cone have the same base area and the same height. It is known that the sum of their volumes is 48 cubic decimeters. What is the volume of the cylinder?
一个圆柱体和一个圆锥体，它们的底面积相等高也相等，已知它们体积之和是48立方分米，圆柱的体积是多少？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

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

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

<result>36</result>