Alright, let's work through 51084271 times 85258773 step by step
51084271 × 85258773 = 85258773 × (51084271)
+ 85258773 × 1 producing 85258773
+ 85258773 × 70 giving us 5968114110
+ 85258773 × 200 what gives us 17051754600
+ 85258773 × 4000 yielding 341035092000
+ 85258773 × 80000 producing 6820701840000
+ 85258773 × 000000 resulting in 0
+ 85258773 × 1000000 giving us 85258773000000
+ 85258773 × 50000000 giving us 4262938650000000

= 4355382265059483
