There are 54 cards in a deck, if one card is drawn randomly, what is the probability of drawing 4
一副牌共54张，任抽1张，则抽到4的可能性为多少
<gadget id="calculator">4 / 54</gadget>
<output>2/27 = around 0.074074</output>

<result>2/27 = around 0.074074</result>