In class 3, boys account for the whole class (9/11), what percentage of the whole class are girls?
三1班男生占全班人数的(9/11)，女生占全班人数的几分之几？
<gadget id="calculator">9 / 11</gadget>
<output>9/11 = around 0.818182</output>

<gadget id="calculator">1 - (9/11)</gadget>
<output>2/11 = around 0.181818</output>

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