Alright, let's work through 6419 times 1654 step by step
6419 × 1654 = 1654 × (6419)
+ 1654 × 9 resulting in 14886
+ 1654 × 10 what gives us 16540
+ 1654 × 400 giving us 661600
+ 1654 × 6000 yielding 9924000

= 10617026
