Alright, let's work through 1689 times 8154 step by step
1689 × 8154 = 8154 × (1689)
+ 8154 × 9 resulting in 73386
+ 8154 × 80 what gives us 652320
+ 8154 × 600 resulting in 4892400
+ 8154 × 1000 yielding 8154000

= 13772106
