Take out two trump cards from the playing cards, and randomly draw as many cards as possible from the remaining 52 cards to ensure that there are 2 cards of the same color.
从扑克牌中取出两张王牌，在剩下的52张中任意抽出多少张才能确保有2张同色花．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<result>5</result>