No problem, we've got 3999 and 333 to multiply
3999 × 333 = 333 × (3999)
+ 333 × 9 which equals 2997
+ 333 × 90 that results in 29970
+ 333 × 900 that is equal 299700
+ 333 × 3000 giving us 999000

= 1331667
