There are 30 boys in Class 1 of the sixth grade, 5 more than girls. What percentage of the class are girls?
六年级1班有男生30人，比女生多5人．女生占全班人数的几分之几？
<gadget id="calculator">30 - 5</gadget>
<output>25</output>

<gadget id="calculator">25 + 30</gadget>
<output>55</output>

<gadget id="calculator">25 / 55</gadget>
<output>5/11 = around 0.454545</output>

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