We're going to solve 3999 multiplied by 1253
3999 × 1253 = 1253 × (3999)
+ 1253 × 9 what gives us 11277
+ 1253 × 90 giving us 112770
+ 1253 × 900 that is equal 1127700
+ 1253 × 3000 resulting in 3759000

= 5010747
