Alright, let's work through 76689159 times 45385346 step by step
76689159 × 45385346 = 45385346 × (76689159)
+ 45385346 × 9 resulting in 408468114
+ 45385346 × 50 yielding 2269267300
+ 45385346 × 100 which equals 4538534600
+ 45385346 × 9000 which equals 408468114000
+ 45385346 × 80000 producing 3630827680000
+ 45385346 × 600000 resulting in 27231207600000
+ 45385346 × 6000000 resulting in 272312076000000
+ 45385346 × 70000000 which equals 3176974220000000

= 3480564015664014
