Alright, let's work through 8457 times 2149 step by step
8457 × 2149 = 2149 × (8457)
+ 2149 × 7 that is equal 15043
+ 2149 × 50 what gives us 107450
+ 2149 × 400 that results in 859600
+ 2149 × 8000 giving us 17192000

= 18174093
