A cylinder and a cone have the same base area and height, and the sum of their volumes is 64 cubic decimeters. What is the volume of this cylinder?
一个圆柱体和一个圆锥体，底面积和高都相等，它们的体积和是64立方分米，这个圆柱的体积是多少立方分米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 * 3</gadget>
<output>48</output>

<result>48</result>