To welcome the school celebration, the students made 24 yellow flags, which is 60% of the red flags. How many red flags were made?
为迎校庆，同学们做了24面黄旗，是红旗的60%，红旗做了多少面？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">24 / (3/5)</gadget>
<output>40</output>

<result>40</result>