A deck of 52 playing cards (no big king, little king), draw a random card from it, what is the probability of getting an ace? (expressed in fractions)
一副52张的扑克牌(无大王、小王)，从中任意抽取一张，抽到A的可能性大小是多少．(用分数表示)
<gadget id="calculator">4 / 52</gadget>
<output>1/13 = around 0.076923</output>

<result>1/13 = around 0.076923</result>