Answer:
9
Explanation:
The Google calculator can be relied upon to follow the order of operations.
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Comment on calculators
If your calculator gives a different result, get a new one. Some do not understand the order of operations, and some allow so few "pending" operations that appropriate evaluation is impossible.
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Division operations are done left to right; so are addition operations. Order of operations for this question:
9 - 3/3 + 1 . . . . first do the division (3/1)
9 - 1 + 1 . . . . . .then do the division (3/3)
8 + 1 . . . . . . . . . do the sum 9-1
9 . . . . . . . . . . . . do the sum 8+1