There are 280 students in the sixth grade in a certain school, which is 50 less than the total number of students in the school (2/9). How many students are there in the school?
某校六年级有学生280人，比全校总人数的(2/9)还少50人，全校学生多少人？
<gadget id="calculator">50 + 280</gadget>
<output>330</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">330 / (2/9)</gadget>
<output>1_485</output>

<result>1_485</result>