Alright, let's work through 78065164 times 87448842 step by step
78065164 × 87448842 = 87448842 × (78065164)
+ 87448842 × 4 that equals 349795368
+ 87448842 × 60 producing 5246930520
+ 87448842 × 100 what gives us 8744884200
+ 87448842 × 5000 that equals 437244210000
+ 87448842 × 60000 which equals 5246930520000
+ 87448842 × 000000 which equals 0
+ 87448842 × 8000000 resulting in 699590736000000
+ 87448842 × 70000000 which equals 6121418940000000

= 6826708192340088
