We're going to solve 6680 multiplied by 9905
6680 × 9905 = 9905 × (6680)
+ 9905 × 0 that equals 0
+ 9905 × 80 which equals 792400
+ 9905 × 600 resulting in 5943000
+ 9905 × 6000 yielding 59430000

= 66165400
