Alright, let's work through 5608 times 990 step by step
5608 × 990 = 990 × (5608)
+ 990 × 8 giving us 7920
+ 990 × 00 which equals 0
+ 990 × 600 which equals 594000
+ 990 × 5000 that is equal 4950000

= 5551920
