There are 5 cards with 5, 6, 7, 8, and 9 written on them, and Fang Fang draws one at random. What is the probability that she will get 7?
有5张卡片分别写着5、6、7、8、9，方方任意抽走一张，她抽到7的可能性是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>