Alright, let's work through 4084 times 5339 step by step
4084 × 5339 = 5339 × (4084)
+ 5339 × 4 yielding 21356
+ 5339 × 80 giving us 427120
+ 5339 × 000 yielding 0
+ 5339 × 4000 yielding 21356000

= 21804476
