The volume of a cylinder is 6.28 cubic decimeters larger than the volume of a cone with the same base and height, and the area of the base is equal to the height. What is the volume of the cone?
一个圆柱的体积比与它等底等高的圆锥的体积大6.28立方分米，底面积和高分别相等，圆锥的体积是多少立方分米．
<gadget id="calculator">6.28 / 2</gadget>
<output>3.14</output>

<result>3.14</result>