A rectangle has a perimeter of 2 meters, one of which is (4/11) meters wide, and one of which is long in meters?
一个长方形周长2米，其中一条宽是(4/11)米，其中一条长是多少米？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">1 - (4/11)</gadget>
<output>7/11 = around 0.636364</output>

<result>7/11 = around 0.636364</result>