Alright, let's work through 85118463 times 39577471 step by step
85118463 × 39577471 = 39577471 × (85118463)
+ 39577471 × 3 yielding 118732413
+ 39577471 × 60 that is equal 2374648260
+ 39577471 × 400 producing 15830988400
+ 39577471 × 8000 producing 316619768000
+ 39577471 × 10000 what gives us 395774710000
+ 39577471 × 100000 giving us 3957747100000
+ 39577471 × 5000000 giving us 197887355000000
+ 39577471 × 80000000 that equals 3166197680000000

= 3368773500947073
