No problem, we've got 4084 and 2067 to multiply
4084 × 2067 = 2067 × (4084)
+ 2067 × 4 what gives us 8268
+ 2067 × 80 that is equal 165360
+ 2067 × 000 resulting in 0
+ 2067 × 4000 what gives us 8268000

= 8441628
