Alright, let's work through 9400 times 886 step by step
9400 × 886 = 886 × (9400)
+ 886 × 0 resulting in 0
+ 886 × 00 what gives us 0
+ 886 × 400 that equals 354400
+ 886 × 9000 that is equal 7974000

= 8328400
