Alright, let's work through 8406 times 4170 step by step
8406 × 4170 = 4170 × (8406)
+ 4170 × 6 that is equal 25020
+ 4170 × 00 yielding 0
+ 4170 × 400 producing 1668000
+ 4170 × 8000 yielding 33360000

= 35053020
