Alright, let's work through 66999924 times 57918677 step by step
66999924 × 57918677 = 57918677 × (66999924)
+ 57918677 × 4 giving us 231674708
+ 57918677 × 20 producing 1158373540
+ 57918677 × 900 resulting in 52126809300
+ 57918677 × 9000 that is equal 521268093000
+ 57918677 × 90000 which equals 5212680930000
+ 57918677 × 900000 resulting in 52126809300000
+ 57918677 × 6000000 yielding 347512062000000
+ 57918677 × 60000000 that equals 3475120620000000

= 3880546957180548
