Alright, let's work through 4538 times 4406 step by step
4538 × 4406 = 4406 × (4538)
+ 4406 × 8 giving us 35248
+ 4406 × 30 yielding 132180
+ 4406 × 500 giving us 2203000
+ 4406 × 4000 producing 17624000

= 19994428
