Alright, let's work through 8406 times 8385 step by step
8406 × 8385 = 8385 × (8406)
+ 8385 × 6 that results in 50310
+ 8385 × 00 producing 0
+ 8385 × 400 which equals 3354000
+ 8385 × 8000 yielding 67080000

= 70484310
