On March 12 this year, some students in the fifth grade participated in the tree planting activity. The number of people is between 50 and 70 people. If every 4 people are divided into groups, or every 6 people are divided into groups, the division is just finished. How many students participated in tree planting?
今年3月12日，五年级有一部分学生参加了植树活动．人数在50到70人之间．如果每4人分一组，或者每6人分一组，都恰好分完．参加植树的学生有多少人？
<gadget id="calculator">4 * 3 * 5</gadget>
<output>60</output>

<result>60</result>