Alright, let's work through 55580680 times 21126689 step by step
55580680 × 21126689 = 21126689 × (55580680)
+ 21126689 × 0 that results in 0
+ 21126689 × 80 giving us 1690135120
+ 21126689 × 600 yielding 12676013400
+ 21126689 × 0000 producing 0
+ 21126689 × 80000 yielding 1690135120000
+ 21126689 × 500000 that results in 10563344500000
+ 21126689 × 5000000 resulting in 105633445000000
+ 21126689 × 50000000 which equals 1056334450000000

= 1174235740768520
