Alright, let's work through 8489 times 2055 step by step
8489 × 2055 = 2055 × (8489)
+ 2055 × 9 giving us 18495
+ 2055 × 80 producing 164400
+ 2055 × 400 that equals 822000
+ 2055 × 8000 that is equal 16440000

= 17444895
