Alright, let's work through 77223684 times 69445943 step by step
77223684 × 69445943 = 69445943 × (77223684)
+ 69445943 × 4 which equals 277783772
+ 69445943 × 80 yielding 5555675440
+ 69445943 × 600 that is equal 41667565800
+ 69445943 × 3000 that is equal 208337829000
+ 69445943 × 20000 that results in 1388918860000
+ 69445943 × 200000 that results in 13889188600000
+ 69445943 × 7000000 which equals 486121601000000
+ 69445943 × 70000000 which equals 4861216010000000

= 5362871557314012
