If you randomly draw one of cards 2, 3, 4, 5, and 6, what is the probability of drawing a composite number?
从卡片2、3、4、5、6中任意抽一张，抽到合数的可能性是多少．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>