The answer is 131.
500 + 40 - 1 = 539675 - 5 - 1 = 669400 + 21 = 421630 - 30 + 1 = 601300 + 99 + 1 = 400421 - 400 = 21
539 + 669 + 421 + 601 + 400 + 21 = 23112311 - 400 = 19111911 - 500 = 14111411 - 500 = 13111311 - 500 = 131
So, the final answer is 131.
The answer is 131.
500 + 40 - 1 = 539
675 - 5 - 1 = 669
400 + 21 = 421
630 - 30 + 1 = 601
300 + 99 + 1 = 400
421 - 400 = 21
539 + 669 + 421 + 601 + 400 + 21 = 2311
2311 - 400 = 1911
1911 - 500 = 1411
1411 - 500 = 1311
1311 - 500 = 131
So, the final answer is 131.