Alright, let's work through 78474463 times 74977976 step by step
78474463 × 74977976 = 74977976 × (78474463)
+ 74977976 × 3 yielding 224933928
+ 74977976 × 60 that equals 4498678560
+ 74977976 × 400 that results in 29991190400
+ 74977976 × 4000 yielding 299911904000
+ 74977976 × 70000 that equals 5248458320000
+ 74977976 × 400000 which equals 29991190400000
+ 74977976 × 8000000 that results in 599823808000000
+ 74977976 × 70000000 producing 5248458320000000

= 5883856403426888
