Alright, let's work through 6257 times 654 step by step
6257 × 654 = 654 × (6257)
+ 654 × 7 what gives us 4578
+ 654 × 50 giving us 32700
+ 654 × 200 that is equal 130800
+ 654 × 6000 that is equal 3924000

= 4092078
