There are 5 more boys than girls in a certain class, and now 2 girls are transferred, and now there are more boys than girls (1/9). How many girls are there?
某班男生比女生多5人，现在又转来2名女生，现在男生比女生多(1/9)．原来有女生多少人？
<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">3 / (1/9)</gadget>
<output>27</output>

<gadget id="calculator">27 - 2</gadget>
<output>25</output>

<result>25</result>