There are several workers in a workshop, divided into two groups: day shift and night shift. Among them, the number of people in the day shift group accounts for 45%. If 3 workers are transferred from the day shift group to the night shift group, the ratio of the number of people in the day shift group to the night shift group is 2:3. How many people are there in this workshop?
一个车间有若干个工人，分为日班和夜班两个组．其中日班组人数占45%，若从日班组调3个工人到夜班组，则日班组与夜班组的人数的比是2：3．这个车间一共有多少人？
<result>60</result>