If the volume of a cone is 15.6 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15.6立方米，与它等底等高的圆柱体积是多少立方米．
<gadget id="calculator">15.6 * 3</gadget>
<output>46.8</output>

<result>46.8</result>