Alright, let's work through 8161 times 5565 step by step
8161 × 5565 = 5565 × (8161)
+ 5565 × 1 that is equal 5565
+ 5565 × 60 giving us 333900
+ 5565 × 100 yielding 556500
+ 5565 × 8000 giving us 44520000

= 45415965
