There are 54 cards in a deck, the top one is King. If the top 12 cards are moved to the bottom each time without changing their order and face orientation, then at least how many moves will the king appear on the top again?
一副扑克牌共54张，最上面的一张是大王．如果每次把最上面的12张牌移到最下面而不改变它们的顺序以及面的朝向，那么至少经过多少次移动，大王才会又出现在最上面？
<gadget id="calculator">2 * 2 * 3 * 3 * 3</gadget>
<output>108</output>

<gadget id="calculator">108 / 12</gadget>
<output>9</output>

<result>9</result>