Alright, let's work through 76289770 times 62746878 step by step
76289770 × 62746878 = 62746878 × (76289770)
+ 62746878 × 0 producing 0
+ 62746878 × 70 yielding 4392281460
+ 62746878 × 700 resulting in 43922814600
+ 62746878 × 9000 which equals 564721902000
+ 62746878 × 80000 yielding 5019750240000
+ 62746878 × 200000 what gives us 12549375600000
+ 62746878 × 6000000 giving us 376481268000000
+ 62746878 × 70000000 resulting in 4392281460000000

= 4786944890838060
