Question

7x1,000,000+ 3x100,000+ 5x10,000+ 6x1.00+ 2x100+3x10+7+1

Answer 1

8700316.1 that your answer

Answer 2

When wording your problem, parenthesis would have helped to make sure that the problem was solved in the correct order of operations as it was intended to, but here is your answer from the way I solved it:
7350244