The volume of a cone is 9.9 cubic decimeters, which is much smaller than the volume of a cylinder with the same base and height.
一个圆锥的体积是9.9立方分米，比它等底同高的圆柱的体积小多少．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">9.9 * 2</gadget>
<output>19.8</output>

<result>19.8</result>