At least how many cards must be drawn from a deck of poker to ensure that there are 3 cards of the same point.
从一副扑克中至少要摸出多少张才能保证有3张同点数．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">13 * 2</gadget>
<output>26</output>

<gadget id="calculator">26 + 2</gadget>
<output>28</output>

<gadget id="calculator">28 + 1</gadget>
<output>29</output>

<result>29</result>