We're going to solve 2591 multiplied by 1541
2591 × 1541 = 1541 × (2591)
+ 1541 × 1 what gives us 1541
+ 1541 × 90 yielding 138690
+ 1541 × 500 which equals 770500
+ 1541 × 2000 that is equal 3082000

= 3992731
