Alright, let's work through 78629268 times 19625974 step by step
78629268 × 19625974 = 19625974 × (78629268)
+ 19625974 × 8 what gives us 157007792
+ 19625974 × 60 yielding 1177558440
+ 19625974 × 200 what gives us 3925194800
+ 19625974 × 9000 that is equal 176633766000
+ 19625974 × 20000 which equals 392519480000
+ 19625974 × 600000 producing 11775584400000
+ 19625974 × 8000000 that results in 157007792000000
+ 19625974 × 70000000 resulting in 1373818180000000

= 1543175969407032
