There are 52 cards left in a deck of cards after removing the big and small cards. How many cards are at least taken out of the 52 cards? In order to ensure that there are four suits in the cards taken out.
一副扑克牌去掉大小牌还剩52张，从52张中最少拿出多少张？才能保证拿出的牌中四种花色都有．
<gadget id="calculator">13 * 3</gadget>
<output>39</output>

<gadget id="calculator">39 + 1</gadget>
<output>40</output>

<result>40</result>