There are 23 boys in Class 51, 3 more than girls, and the number of girls is equivalent to ((())/(())) of the total number of the class.
五1班有男生23人，比女生多3人，女生人数相当于全班总人数的((())/(()))．
<gadget id="calculator">23 - 3</gadget>
<output>20</output>

<gadget id="calculator">23 + 20</gadget>
<output>43</output>

<gadget id="calculator">20 / 43</gadget>
<output>20/43 = around 0.465116</output>

<result>20/43 = around 0.465116</result>