Class 5 (1) has 23 boys and 27 girls, how many boys account for the whole class.
五(一)班有男生23人，女生27人，男生占全班人数的多少．
<gadget id="calculator">27 + 23</gadget>
<output>50</output>

<gadget id="calculator">23 / 50</gadget>
<output>23/50 = around 0.46</output>

<result>23/50 = around 0.46</result>