Alright, let's work through 3421 times 1335 step by step
3421 × 1335 = 1335 × (3421)
+ 1335 × 1 giving us 1335
+ 1335 × 20 that equals 26700
+ 1335 × 400 that equals 534000
+ 1335 × 3000 yielding 4005000

= 4567035
