No problem, we've got 85482639 and 45200994 to multiply
85482639 × 45200994 = 45200994 × (85482639)
+ 45200994 × 9 which equals 406808946
+ 45200994 × 30 that is equal 1356029820
+ 45200994 × 600 what gives us 27120596400
+ 45200994 × 2000 that results in 90401988000
+ 45200994 × 80000 that equals 3616079520000
+ 45200994 × 400000 that results in 18080397600000
+ 45200994 × 5000000 resulting in 226004970000000
+ 45200994 × 80000000 producing 3616079520000000

= 3863900252543166
