Alright, let's work through 84080540 times 12968488 step by step
84080540 × 12968488 = 12968488 × (84080540)
+ 12968488 × 0 producing 0
+ 12968488 × 40 producing 518739520
+ 12968488 × 500 giving us 6484244000
+ 12968488 × 0000 which equals 0
+ 12968488 × 80000 producing 1037479040000
+ 12968488 × 000000 which equals 0
+ 12968488 × 4000000 producing 51873952000000
+ 12968488 × 80000000 yielding 1037479040000000

= 1090397474023520
