If a deck of poker draws out the queen and the queen, at least how many cards must be drawn to ensure that at least two of the cards have the same points.
一副扑克牌抽掉大、小王后，至少要抽出多少张，方能保证其中至少有2张牌是相同的点数．
<gadget id="calculator">52 / 4</gadget>
<output>13</output>

<gadget id="calculator">13 + 1</gadget>
<output>14</output>

<result>14</result>