Sixth graders stand in line on the playground. There are 2 people left in each row of 5 people, 3 people left in each row of 6 people, and 2 people in each row of 7 people. The number of sixth graders does not exceed 150. What is the number of sixth graders?
六年级同学到操场站队每排5人剩2人，每排六人剩3人，每排7人差2人六年级人数不超过150人，六年级人数是多少？
<result>117</result>