There are five cards with 1, 2, 3, 4, and 5 written on them. If you touch one at random, what is the probability of getting 3?
有分别写着l、2、3、4、5的五张卡片，随意摸一张，摸到3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>