2-4-6-8-89-9-8656566926-8521

Question

2-4-6-8-89-9-8656566926-8521

Answer 1

-8656575561........

Answer 2

2 - 4 - 6 - 8 - 89 - 9 - 8 656 566 926 - 8521 = - 8 656 575 561