Alright, let's work through 85718071 times 79741323 step by step
85718071 × 79741323 = 79741323 × (85718071)
+ 79741323 × 1 resulting in 79741323
+ 79741323 × 70 what gives us 5581892610
+ 79741323 × 000 which equals 0
+ 79741323 × 8000 what gives us 637930584000
+ 79741323 × 10000 that equals 797413230000
+ 79741323 × 700000 producing 55818926100000
+ 79741323 × 5000000 what gives us 398706615000000
+ 79741323 × 80000000 resulting in 6379305840000000

= 6835272386547933
