There are 23 boys in Class 51, 2 fewer than girls, how many boys are in the whole class.
五1班男生23人，比女生少2人，男生是全班的多少．
<gadget id="calculator">23 + 2 + 23</gadget>
<output>48</output>

<gadget id="calculator">23 / 48</gadget>
<output>23/48 = around 0.479167</output>

<result>23/48 = around 0.479167</result>