Alright, let's work through 76939736 times 54676674 step by step
76939736 × 54676674 = 54676674 × (76939736)
+ 54676674 × 6 producing 328060044
+ 54676674 × 30 producing 1640300220
+ 54676674 × 700 giving us 38273671800
+ 54676674 × 9000 yielding 492090066000
+ 54676674 × 30000 that equals 1640300220000
+ 54676674 × 900000 that equals 49209006600000
+ 54676674 × 6000000 producing 328060044000000
+ 54676674 × 70000000 giving us 3827367180000000

= 4206808862918064
