We're going to solve 80605773 multiplied by 48369421
80605773 × 48369421 = 48369421 × (80605773)
+ 48369421 × 3 what gives us 145108263
+ 48369421 × 70 resulting in 3385859470
+ 48369421 × 700 yielding 33858594700
+ 48369421 × 5000 producing 241847105000
+ 48369421 × 00000 producing 0
+ 48369421 × 600000 producing 29021652600000
+ 48369421 × 0000000 which equals 0
+ 48369421 × 80000000 producing 3869553680000000

= 3898854569267433
