Mr. Smith has had a very good year. It is early November, and he wants to ensure he sets enough money aside to pay his taxes next April. He has outlined his anticipated income for tax season and some of his plans going forward.

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.