There are 23 boys in Class 1 of June, 2 more boys than girls (7/8), how many girls are there?
六1班有男生23人，男生比女生的(7/8)多2人，女生有多少人？
<gadget id="calculator">23 - 2</gadget>
<output>21</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">21 / (7/8)</gadget>
<output>24</output>

<result>24</result>