The number of boys in class one of the fifth grade is less than that of girls (1/6). There are 25 boys and how many girls are there.
五年级一班男生人数比女生少(1/6)，男生25人，女生多少人．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">25 / (5/6)</gadget>
<output>30</output>

<result>30</result>