Alright, let's work through 6372 times 3440 step by step
6372 × 3440 = 3440 × (6372)
+ 3440 × 2 resulting in 6880
+ 3440 × 70 which equals 240800
+ 3440 × 300 what gives us 1032000
+ 3440 × 6000 yielding 20640000

= 21919680
