Xiaoxiang has an alarm clock at home, every hour is 2 minutes behind the standard time. One night at 9 o'clock sharp, Xiaoxiang pointed at the alarm clock, he wanted to get up at 6:40 the next morning, so he set the alarm clock at 6:40. What time does this alarm clock ring in standard time?
小香家里有一个闹钟，每小时比标准时间慢2分钟．有一天晚上9点整，小香对准了闹钟，他想第二天早晨6：40起床，于是他就将闹钟的铃声定在了6：40．这个闹钟响铃的时间是标准时间的几点几分？
<result>7</result>