Alright, let's work through 2644 times 6373 step by step
2644 × 6373 = 6373 × (2644)
+ 6373 × 4 giving us 25492
+ 6373 × 40 that results in 254920
+ 6373 × 600 giving us 3823800
+ 6373 × 2000 yielding 12746000

= 16850212
