If the number of boys in a class is more than the number of girls (1/5), what is the percentage of girls in the class?
某班男生人数比女生人数多(1/5)，女生人数占全班人数的多少．
<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<result>5/11 = around 0.454545</result>