Alright, let's work through 8404 times 447 step by step
8404 × 447 = 447 × (8404)
+ 447 × 4 what gives us 1788
+ 447 × 00 what gives us 0
+ 447 × 400 producing 178800
+ 447 × 8000 that equals 3576000

= 3756588
