Alright, let's work through 3457 times 6571 step by step
3457 × 6571 = 6571 × (3457)
+ 6571 × 7 that equals 45997
+ 6571 × 50 giving us 328550
+ 6571 × 400 which equals 2628400
+ 6571 × 3000 yielding 19713000

= 22715947
