Alright, let's work through 4523 times 3447 step by step
4523 × 3447 = 3447 × (4523)
+ 3447 × 3 what gives us 10341
+ 3447 × 20 producing 68940
+ 3447 × 500 producing 1723500
+ 3447 × 4000 producing 13788000

= 15590781
