If one of the six cards marked 1-6 is drawn at random, what is the probability of getting a 3?
从分别标有1-6的六张卡片中任意抽出一张，抽到3的可能性为多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>