The fifth grade students are going to rehearse for June 1st. If the rehearsal students are divided into groups of 3, 4, or 5, and they are all divided exactly, how many fifth grade students are there at least?
五年级同学进行六一彩排，如果把彩排学生分成3人一组，4人一组，或5人一组，都恰好分完，五年级彩排学生至少有多少人？
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<result>60</result>