We're going to solve 3555 multiplied by 2557
3555 × 2557 = 2557 × (3555)
+ 2557 × 5 what gives us 12785
+ 2557 × 50 that results in 127850
+ 2557 × 500 resulting in 1278500
+ 2557 × 3000 producing 7671000

= 9090135
