The volume of a cone is 5.4dm**3, what is the volume of a cylinder with the same base and height as dm**3?
一个圆锥的体积是5.4dm**3，和它等底等高的圆柱的体积是多少dm**3．
<gadget id="calculator">5.4 * 3</gadget>
<output>16.2</output>

<result>16.2</result>