The correct answer is:

30

To arrive at this solution, you’ve got to use PEMDAS, which means you’ll do the multiplication first. The equation would be:
1 + 1 + 1 + 1 + 11 + 1 + 1 + 1 + 11 + (1 x 0) + 1
= 29 + 0 + 1
= 30

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