Alright, let's work through 38649678 times 85731765 step by step
38649678 × 85731765 = 85731765 × (38649678)
+ 85731765 × 8 producing 685854120
+ 85731765 × 70 which equals 6001223550
+ 85731765 × 600 yielding 51439059000
+ 85731765 × 9000 that equals 771585885000
+ 85731765 × 40000 that equals 3429270600000
+ 85731765 × 600000 resulting in 51439059000000
+ 85731765 × 8000000 resulting in 685854120000000
+ 85731765 × 30000000 producing 2571952950000000

= 3313505111621670
