The volume of a cylinder with equal base and equal height is 28 cm**3 more than that of a cone, what is the volume of this cone in cm**3.
等底等高的圆柱体比圆锥体的体积多28cm**3，则这个圆锥体的体积是多少cm**3．
<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<result>14</result>