What is the probability of drawing a black 5 from a deck of cards with queens and queens drawn?
在一副扑克牌中挑出大小王后，从中抽到黑5的可能性是多少
<gadget id="calculator">54 - 2</gadget>
<output>52</output>

<gadget id="calculator">1 / 52</gadget>
<output>1/52 = around 0.019231</output>

<result>1/52 = around 0.019231</result>