Alright, let's work through 4990 times 3576 step by step
4990 × 3576 = 3576 × (4990)
+ 3576 × 0 that equals 0
+ 3576 × 90 producing 321840
+ 3576 × 900 which equals 3218400
+ 3576 × 4000 which equals 14304000

= 17844240
