We're going to solve 3448 multiplied by 3555
3448 × 3555 = 3555 × (3448)
+ 3555 × 8 resulting in 28440
+ 3555 × 40 that results in 142200
+ 3555 × 400 which equals 1422000
+ 3555 × 3000 which equals 10665000

= 12257640
