Alright, let's work through 3685 times 9343 step by step
3685 × 9343 = 9343 × (3685)
+ 9343 × 5 producing 46715
+ 9343 × 80 producing 747440
+ 9343 × 600 yielding 5605800
+ 9343 × 3000 which equals 28029000

= 34428955
