No problem, we've got 2168 and 1990 to multiply
2168 × 1990 = 1990 × (2168)
+ 1990 × 8 which equals 15920
+ 1990 × 60 giving us 119400
+ 1990 × 100 that equals 199000
+ 1990 × 2000 which equals 3980000

= 4314320
