If the area of a rectangle is 3 square meters and its width is (3/5) meters, what is its length in meters?
一个长方形的面积是3平方米，它的宽是(3/5)米，则它的长是多少米．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / (3/5)</gadget>
<output>5</output>

<result>5</result>