There are 27 boys and 23 girls in Class 51 of Jiefang Road Primary School. What percentage of the class are girls in this class?
解放路小学五1班共有男生27人，女生23人，这个班女生占全班人数的几分之几？
<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>