Alright, let's work through 6393 times 6907 step by step
6393 × 6907 = 6907 × (6393)
+ 6907 × 3 resulting in 20721
+ 6907 × 90 that results in 621630
+ 6907 × 300 what gives us 2072100
+ 6907 × 6000 what gives us 41442000

= 44156451
