No problem, we've got 1903 and 4221 to multiply
1903 × 4221 = 4221 × (1903)
+ 4221 × 3 which equals 12663
+ 4221 × 00 producing 0
+ 4221 × 900 yielding 3798900
+ 4221 × 1000 what gives us 4221000

= 8032563
