Alright, let's work through 8191 times 2129 step by step
8191 × 2129 = 2129 × (8191)
+ 2129 × 1 that results in 2129
+ 2129 × 90 resulting in 191610
+ 2129 × 100 yielding 212900
+ 2129 × 8000 which equals 17032000

= 17438639
