Alright, let's work through 5566 times 1991 step by step
5566 × 1991 = 1991 × (5566)
+ 1991 × 6 that results in 11946
+ 1991 × 60 giving us 119460
+ 1991 × 500 which equals 995500
+ 1991 × 5000 resulting in 9955000

= 11081906
