Alright, let's work through 6343 times 507 step by step
6343 × 507 = 507 × (6343)
+ 507 × 3 resulting in 1521
+ 507 × 40 yielding 20280
+ 507 × 300 that is equal 152100
+ 507 × 6000 which equals 3042000

= 3215901
