Alright, let's work through 87791762 times 19679098 step by step
87791762 × 19679098 = 19679098 × (87791762)
+ 19679098 × 2 producing 39358196
+ 19679098 × 60 yielding 1180745880
+ 19679098 × 700 that is equal 13775368600
+ 19679098 × 1000 which equals 19679098000
+ 19679098 × 90000 producing 1771118820000
+ 19679098 × 700000 which equals 13775368600000
+ 19679098 × 7000000 which equals 137753686000000
+ 19679098 × 80000000 what gives us 1574327840000000

= 1727662687990676
