We're going to solve 2789 multiplied by 7581
2789 × 7581 = 7581 × (2789)
+ 7581 × 9 that is equal 68229
+ 7581 × 80 giving us 606480
+ 7581 × 700 resulting in 5306700
+ 7581 × 2000 producing 15162000

= 21143409
