Alright, let's work through 76872255 times 16331958 step by step
76872255 × 16331958 = 16331958 × (76872255)
+ 16331958 × 5 that is equal 81659790
+ 16331958 × 50 yielding 816597900
+ 16331958 × 200 that results in 3266391600
+ 16331958 × 2000 which equals 32663916000
+ 16331958 × 70000 which equals 1143237060000
+ 16331958 × 800000 producing 13065566400000
+ 16331958 × 6000000 resulting in 97991748000000
+ 16331958 × 70000000 yielding 1143237060000000

= 1255474440025290
