In the mathematics interest group of a certain school, the number of girls (2/5) is equivalent to 25% of the number of boys. It is known that there are 24 boys and how many girls are there?
某校的数学兴趣小组，女生人数的(2/5)相当于男生人数的25%．已知男生有24人，女生有多少人？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/4) / (2/5)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">24 * (5/8)</gadget>
<output>15</output>

<result>15</result>