Alright, let's work through 67691058 times 77941897 step by step
67691058 × 77941897 = 77941897 × (67691058)
+ 77941897 × 8 what gives us 623535176
+ 77941897 × 50 yielding 3897094850
+ 77941897 × 000 producing 0
+ 77941897 × 1000 that equals 77941897000
+ 77941897 × 90000 which equals 7014770730000
+ 77941897 × 600000 that results in 46765138200000
+ 77941897 × 7000000 which equals 545593279000000
+ 77941897 × 60000000 which equals 4676513820000000

= 5275969470457026
