cylinder and a cone have the same base area and height. It is known that the difference between their volumes is 36 cubic decimeters. What is the volume of the cone in cubic decimeters?
一个圆柱和一个圆锥，它们的底面积和高都相等，已知它们的体积之差是36立方分米，圆锥的体积是多少立方分米．
<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<result>18</result>