We're going to solve 9966 multiplied by 5560
9966 × 5560 = 5560 × (9966)
+ 5560 × 6 giving us 33360
+ 5560 × 60 yielding 333600
+ 5560 × 900 yielding 5004000
+ 5560 × 9000 giving us 50040000

= 55410960
