No problem, we've got 3993 and 503 to multiply
3993 × 503 = 503 × (3993)
+ 503 × 3 that equals 1509
+ 503 × 90 which equals 45270
+ 503 × 900 what gives us 452700
+ 503 × 3000 that results in 1509000

= 2008479
