The number of boys in class 61 is more than the number of girls (2/9), so what percentage is the number of girls less than the number of boys?
六一班男生人数比女生人数多(2/9)，那么女生人数比男生人数少几分之几？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">1 + (2/9)</gadget>
<output>11/9 = around 1.222222</output>

<gadget id="calculator">(2/9) / (11/9)</gadget>
<output>2/11 = around 0.181818</output>

<result>2/11 = around 0.181818</result>