The volume of a cube is 120 cubic decimeters, its width is 3dm, its height is 5dm, what is its length?
一个正方体的体积是120立方分米，它的宽是3dm，高是5dm，长是多少？
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>