Alright, let's work through 5099 times 1661 step by step
5099 × 1661 = 1661 × (5099)
+ 1661 × 9 producing 14949
+ 1661 × 90 that is equal 149490
+ 1661 × 000 that is equal 0
+ 1661 × 5000 that results in 8305000

= 8469439
