The volume of a cylinder with equal base and height is 14dm**3 more than that of a cone, so what is the volume of the cylinder in dm**3?
等底等高的圆柱体积比圆锥体积多14dm**3，那么圆柱体积是多少dm**3．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 * 3</gadget>
<output>21</output>

<result>21</result>