No problem, we've got 1423 and 4529 to multiply
1423 × 4529 = 4529 × (1423)
+ 4529 × 3 giving us 13587
+ 4529 × 20 producing 90580
+ 4529 × 400 that is equal 1811600
+ 4529 × 1000 which equals 4529000

= 6444767
