The students participated in the summer camp activities, divided into groups of 4, 5, and 6, and the result was that there were 3 more students. How many students are there at least to participate in the summer camp?
同学们参加夏令营活动，分别按4人，5人，6人一组，结果都多3人，参加夏令营的同学至少有多少人？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 + 3</gadget>
<output>63</output>

<result>63</result>