Alright, let's work through 77148281 times 84122838 step by step
77148281 × 84122838 = 84122838 × (77148281)
+ 84122838 × 1 which equals 84122838
+ 84122838 × 80 what gives us 6729827040
+ 84122838 × 200 which equals 16824567600
+ 84122838 × 8000 that equals 672982704000
+ 84122838 × 40000 which equals 3364913520000
+ 84122838 × 100000 resulting in 8412283800000
+ 84122838 × 7000000 yielding 588859866000000
+ 84122838 × 70000000 that equals 5888598660000000

= 6489932344541478
