Alright, let's work through 8422 times 3435 step by step
8422 × 3435 = 3435 × (8422)
+ 3435 × 2 which equals 6870
+ 3435 × 20 that equals 68700
+ 3435 × 400 producing 1374000
+ 3435 × 8000 yielding 27480000

= 28929570
