Alright, let's work through 3428 times 6373 step by step
3428 × 6373 = 6373 × (3428)
+ 6373 × 8 giving us 50984
+ 6373 × 20 that is equal 127460
+ 6373 × 400 yielding 2549200
+ 6373 × 3000 yielding 19119000

= 21846644
