Alright, let's work through 85091094 times 54500567 step by step
85091094 × 54500567 = 54500567 × (85091094)
+ 54500567 × 4 that results in 218002268
+ 54500567 × 90 producing 4905051030
+ 54500567 × 000 resulting in 0
+ 54500567 × 1000 which equals 54500567000
+ 54500567 × 90000 yielding 4905051030000
+ 54500567 × 000000 producing 0
+ 54500567 × 5000000 which equals 272502835000000
+ 54500567 × 80000000 giving us 4360045360000000

= 4637512869650298
