There are 120 students in the sixth grade of Guangming Primary School, which is less than the fifth grade (1/6). How many students are there in the two grades?
光明小学六年级有学生120人，比五年级的人数少(1/6)，两个年级共有学生多少人？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">120 / (5/6)</gadget>
<output>144</output>

<gadget id="calculator">144 + 120</gadget>
<output>264</output>

<result>264</result>