A deck of 54 playing cards, remove the queen and queen, draw any one of them, what is the probability of drawing a heart.
一副54张扑克牌，去掉大小王后，从中任意摸一张，摸到红桃的可能性是多少．
<gadget id="calculator">13 / 52</gadget>
<output>1/4 = around 0.25</output>

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