Alright, let's work through 6422 times 388 step by step
6422 × 388 = 388 × (6422)
+ 388 × 2 what gives us 776
+ 388 × 20 resulting in 7760
+ 388 × 400 what gives us 155200
+ 388 × 6000 yielding 2328000

= 2491736
