In the sixth grade, 45 students participated in the aircraft model interest group, which was 3 times less than the number of participants in the science and technology group. How many people participated in the technology group?
六年级有45名同学参加航模兴趣小组，比参加科技小组人数的3倍少3人．参加科技小组的有多少人？
<result>48</result>