Alright, let's work through 84179994 times 88427701 step by step
84179994 × 88427701 = 88427701 × (84179994)
+ 88427701 × 4 that results in 353710804
+ 88427701 × 90 that results in 7958493090
+ 88427701 × 900 resulting in 79584930900
+ 88427701 × 9000 producing 795849309000
+ 88427701 × 70000 resulting in 6189939070000
+ 88427701 × 100000 yielding 8842770100000
+ 88427701 × 4000000 giving us 353710804000000
+ 88427701 × 80000000 yielding 7074216080000000

= 7443843339613794
