Alright, let's work through 85000672 times 90774826 step by step
85000672 × 90774826 = 90774826 × (85000672)
+ 90774826 × 2 which equals 181549652
+ 90774826 × 70 producing 6354237820
+ 90774826 × 600 that results in 54464895600
+ 90774826 × 0000 resulting in 0
+ 90774826 × 00000 resulting in 0
+ 90774826 × 000000 producing 0
+ 90774826 × 5000000 giving us 453874130000000
+ 90774826 × 80000000 yielding 7261986080000000

= 7715921210683072
