No problem, we've got 80149451 and 82707099 to multiply
80149451 × 82707099 = 82707099 × (80149451)
+ 82707099 × 1 yielding 82707099
+ 82707099 × 50 that results in 4135354950
+ 82707099 × 400 giving us 33082839600
+ 82707099 × 9000 producing 744363891000
+ 82707099 × 40000 that results in 3308283960000
+ 82707099 × 100000 giving us 8270709900000
+ 82707099 × 0000000 that results in 0
+ 82707099 × 80000000 yielding 6616567920000000

= 6628928578652649
