We're going to solve 6623 multiplied by 9905
6623 × 9905 = 9905 × (6623)
+ 9905 × 3 that equals 29715
+ 9905 × 20 that is equal 198100
+ 9905 × 600 yielding 5943000
+ 9905 × 6000 resulting in 59430000

= 65600815
