If the volume of a cone is 7.2 cubic meters, what is the volume of a cylinder with the same base and height as it?
一个圆锥的体积是7.2立方米，与它等底等高的圆柱的体积是多少立方米．
<gadget id="calculator">7.2 * 3</gadget>
<output>21.6</output>

<result>21.6</result>