We're going to solve 2181 multiplied by 2081
2181 × 2081 = 2081 × (2181)
+ 2081 × 1 that is equal 2081
+ 2081 × 80 that equals 166480
+ 2081 × 100 giving us 208100
+ 2081 × 2000 which equals 4162000

= 4538661
