Alright, let's work through 82709376 times 61999897 step by step
82709376 × 61999897 = 61999897 × (82709376)
+ 61999897 × 6 which equals 371999382
+ 61999897 × 70 producing 4339992790
+ 61999897 × 300 that equals 18599969100
+ 61999897 × 9000 resulting in 557999073000
+ 61999897 × 00000 that equals 0
+ 61999897 × 700000 yielding 43399927900000
+ 61999897 × 2000000 that is equal 123999794000000
+ 61999897 × 80000000 what gives us 4959991760000000

= 5127972792934272
