There are 50 students in Lili's class, of which boys account for 54% of the class. How many girls are there?
丽丽所在的班级共有50人，其中男生人数占全班的54%，女生有多少人？
<gadget id="calculator">54 / 100</gadget>
<output>27/50 = around 0.54</output>

<gadget id="calculator">1 - (27/50)</gadget>
<output>23/50 = around 0.46</output>

<gadget id="calculator">50 * (23/50)</gadget>
<output>23</output>

<result>23</result>