Alright, let's work through 77476048 times 83901472 step by step
77476048 × 83901472 = 83901472 × (77476048)
+ 83901472 × 8 which equals 671211776
+ 83901472 × 40 that equals 3356058880
+ 83901472 × 000 which equals 0
+ 83901472 × 6000 which equals 503408832000
+ 83901472 × 70000 that equals 5873103040000
+ 83901472 × 400000 which equals 33560588800000
+ 83901472 × 7000000 yielding 587310304000000
+ 83901472 × 70000000 giving us 5873103040000000

= 6500354471942656
