We're going to solve 9900 multiplied by 4690
9900 × 4690 = 4690 × (9900)
+ 4690 × 0 resulting in 0
+ 4690 × 00 that is equal 0
+ 4690 × 900 producing 4221000
+ 4690 × 9000 giving us 42210000

= 46431000
