Alright, let's work through 3327 times 6437 step by step
3327 × 6437 = 6437 × (3327)
+ 6437 × 7 yielding 45059
+ 6437 × 20 giving us 128740
+ 6437 × 300 producing 1931100
+ 6437 × 3000 that results in 19311000

= 21415899
