There are 50 students in Class 1 of 6 years, of which 52% are boys, how many girls are there?
六年一班有学生50人，其中男生占52%，女生有多少人？
<gadget id="calculator">52 / 100</gadget>
<output>13/25 = around 0.52</output>

<gadget id="calculator">1 - (13/25)</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">50 * (12/25)</gadget>
<output>24</output>

<result>24</result>