The area of a triangle is 150 square centimeters, the base is 30 centimeters, and the height is in centimeters.
三角形的面积是150平方厘米，底是30厘米，高是多少厘米．
<gadget id="calculator">2 / 30</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">150 * (1/15)</gadget>
<output>10</output>

<result>10</result>