Alright, let's work through 85103080 times 25273094 step by step
85103080 × 25273094 = 25273094 × (85103080)
+ 25273094 × 0 producing 0
+ 25273094 × 80 producing 2021847520
+ 25273094 × 000 what gives us 0
+ 25273094 × 3000 giving us 75819282000
+ 25273094 × 00000 yielding 0
+ 25273094 × 100000 producing 2527309400000
+ 25273094 × 5000000 resulting in 126365470000000
+ 25273094 × 80000000 giving us 2021847520000000

= 2150818140529520
