If one is randomly selected from 52 playing cards (no king or king), what is the probability of getting hearts?
从52张(无大、小王)扑克牌中任意取一张，取到红桃的可能性的大小是多少．
<gadget id="calculator">13 / 52</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>