The area of a triangle is 54 square centimeters, the height is 9 centimeters, and the base is in centimeters.
一个三角形的面积是54平方厘米，高是9厘米，底是多少厘米．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">54 * (2/9)</gadget>
<output>12</output>

<result>12</result>