Alright, let's work through 78010664 times 18356547 step by step
78010664 × 18356547 = 18356547 × (78010664)
+ 18356547 × 4 that is equal 73426188
+ 18356547 × 60 resulting in 1101392820
+ 18356547 × 600 yielding 11013928200
+ 18356547 × 0000 yielding 0
+ 18356547 × 10000 producing 183565470000
+ 18356547 × 000000 what gives us 0
+ 18356547 × 8000000 that equals 146852376000000
+ 18356547 × 70000000 that results in 1284958290000000

= 1432006420217208
