Alright, let's work through 88945449 times 75851991 step by step
88945449 × 75851991 = 75851991 × (88945449)
+ 75851991 × 9 that results in 682667919
+ 75851991 × 40 that equals 3034079640
+ 75851991 × 400 which equals 30340796400
+ 75851991 × 5000 what gives us 379259955000
+ 75851991 × 40000 producing 3034079640000
+ 75851991 × 900000 yielding 68266791900000
+ 75851991 × 8000000 giving us 606815928000000
+ 75851991 × 80000000 that equals 6068159280000000

= 6746689397038959
