Alright, let's work through 6383 times 3440 step by step
6383 × 3440 = 3440 × (6383)
+ 3440 × 3 that equals 10320
+ 3440 × 80 producing 275200
+ 3440 × 300 giving us 1032000
+ 3440 × 6000 yielding 20640000

= 21957520
