Alright, let's work through 85701999 times 54678362 step by step
85701999 × 54678362 = 54678362 × (85701999)
+ 54678362 × 9 that is equal 492105258
+ 54678362 × 90 yielding 4921052580
+ 54678362 × 900 resulting in 49210525800
+ 54678362 × 1000 producing 54678362000
+ 54678362 × 00000 which equals 0
+ 54678362 × 700000 yielding 38274853400000
+ 54678362 × 5000000 giving us 273391810000000
+ 54678362 × 80000000 resulting in 4374268960000000

= 4686044925445638
