The area of a triangle is 45 square centimeters, and the length of one side is 9 centimeters, what is the height of the side in centimeters?
一个三角形面积是45平方厘米，一条边长为9厘米，则这条边上的高是多少厘米．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">45 * (2/9)</gadget>
<output>10</output>

<result>10</result>