Alright, let's work through 77979089 times 16227504 step by step
77979089 × 16227504 = 16227504 × (77979089)
+ 16227504 × 9 that results in 146047536
+ 16227504 × 80 giving us 1298200320
+ 16227504 × 000 resulting in 0
+ 16227504 × 9000 producing 146047536000
+ 16227504 × 70000 which equals 1135925280000
+ 16227504 × 900000 yielding 14604753600000
+ 16227504 × 7000000 giving us 113592528000000
+ 16227504 × 70000000 that is equal 1135925280000000

= 1265405978663856
