Alright, let's work through 18089289 times 85570972 step by step
18089289 × 85570972 = 85570972 × (18089289)
+ 85570972 × 9 yielding 770138748
+ 85570972 × 80 that is equal 6845677760
+ 85570972 × 200 that is equal 17114194400
+ 85570972 × 9000 producing 770138748000
+ 85570972 × 80000 yielding 6845677760000
+ 85570972 × 000000 yielding 0
+ 85570972 × 8000000 that results in 684567776000000
+ 85570972 × 10000000 producing 855709720000000

= 1547918042518908
