There are 24 boys in class one of grade six, 20% more than girls. How many girls are there?
六年级一班男生24人，比女生多20%，女生有多少人？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">24 / (6/5)</gadget>
<output>20</output>

<result>20</result>