The base of a triangle is 12 decimeters, the area is 42 square decimeters, how many decimeters is the height?
一个三角形底边是12分米，面积是42平方分米，高是多少分米？
<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">42 * (1/6)</gadget>
<output>7</output>

<result>7</result>