The flags used in the Xinxin school celebrations are divided into two types: big red flags and small red flags. Among them, side A of the big red flag accounts for 40% of the total, so what is the number of small red flags?
欣欣学校庆典用的旗子分大红旗与小红旗两种规格，其中大红旗a面，占总数的40%，则小红旗的面数为多少面．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>