The volume of a cone is 18 cubic decimeters, the area of the base is 6 square decimeters, what is the height in decimeters.
一个圆锥的体积是18立方分米，底面积是6平方分米，高是多少分米．
<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>