The number of students in the second class of the sixth grade of Huayuan Primary School is in the range of 40 to 50. According to the school investigation, the students who participate in the computer interest class on weekends account for 1/3 of the whole class, and the students who participate in the painting interest class account for the whole class. 20%, how many students are there in Class 2, Grade 6, Huayuan Primary School?
花园小学六年级二班的学生人数在40～50范围内，经学校调查得知，周末参加电脑兴趣班的同学占全班人数的(1/3)，参加绘画兴趣班的同学占全班人数的20%，花园小学六年级二班共有学生多少人？
<result>45</result>