The ratio of the number of males and females in Class 1 is 5:3. In physical education class, the teacher divides into groups of 3 boys and 2 girls to play games. In this way, when the girls are divided, there are still 4 boys left. How many girls are there in this class?
六1班男、女人数之比为5：3．体育课上，老师按每3个男生、2个女生分成一组进行游戏．这样，当女生分完时男生还剩4人．求这个班女生一共有多少人？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(5/3) - (3/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">4 / (1/6)</gadget>
<output>24</output>

<result>24</result>