There is a stack of books, and the average distribution among 4 people, 5 people, and 6 people leaves 3 books. What is the minimum number of books in this stack?
有一摞书，平均分给4人、5人、6人都剩下3本，这摞书最少有多少本．
<gadget id="calculator">60 + 3</gadget>
<output>63</output>

<result>63</result>