Alright, let's work through 6397 times 6057 step by step
6397 × 6057 = 6057 × (6397)
+ 6057 × 7 producing 42399
+ 6057 × 90 that equals 545130
+ 6057 × 300 what gives us 1817100
+ 6057 × 6000 that equals 36342000

= 38746629
