Alright, let's work through 84720748 times 53913762 step by step
84720748 × 53913762 = 53913762 × (84720748)
+ 53913762 × 8 producing 431310096
+ 53913762 × 40 which equals 2156550480
+ 53913762 × 700 producing 37739633400
+ 53913762 × 0000 what gives us 0
+ 53913762 × 20000 that equals 1078275240000
+ 53913762 × 700000 giving us 37739633400000
+ 53913762 × 4000000 producing 215655048000000
+ 53913762 × 80000000 giving us 4313100960000000

= 4567614244133976
