A cone has a volume of 120 decimeters and a base area of 40 decimeters. What is its height?
一个圆锥体积是120立方分米，底面积是40平方分米，它的高是多少分米？
<gadget id="calculator">3 / 40</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">120 * (3/40)</gadget>
<output>9</output>

<result>9</result>