If the volume of a cone is 1.8 cubic decimeters, what is the volume of a cylinder with the same base and height as it?
一个圆锥的体积是1.8立方分米，与它等底等高的圆柱的体积是多少立方分米．
<gadget id="calculator">1.8 * 3</gadget>
<output>5.4</output>

<result>5.4</result>