We're going to solve 8489 multiplied by 2161
8489 × 2161 = 2161 × (8489)
+ 2161 × 9 giving us 19449
+ 2161 × 80 that results in 172880
+ 2161 × 400 giving us 864400
+ 2161 × 8000 that results in 17288000

= 18344729
