A school has 60 teachers, 1 principal, 2 vice principals, and 1 dean. The principal calls all the faculty and staff to hold an emergency meeting. If one person is notified every minute, how many minutes will it take to notify everyone.
一所学校有教师60人，校长1人，副校长2人，教导主任1人．校长用电话通知全体教职工召开紧急会议，若每分钟通知1人，最少花多少分钟可通知到每一个人．
<result>6</result>