The area of a triangle is 72 square centimeters, the base is 18 centimeters, and the height is in centimeters.
一个三角形的面积是72平方厘米，底是18厘米，高是多少厘米．
<gadget id="calculator">2 / 18</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">72 * (1/9)</gadget>
<output>8</output>

<result>8</result>