The base of a triangle is 15cm long and its area is 150cm**2. What is its height in cm?
一个三角形的底长15cm，面积是150cm**2，它的高是多少cm．
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">150 * (2/15)</gadget>
<output>20</output>

<result>20</result>