There are 120 students in the lower grades of a certain elementary school, the number of students in the middle grades is less than that of the lower grades (1/6), and the number of students in the upper grades accounts for (1/3) of the whole school. How many students are there in the school?
某小学低年级有学生120人，中年级比低年级学生人数少(1/6)，高年级占全校人数的(1/3)，该校有多少人？
<result>300</result>