No problem, we've got 5223 and 4119 to multiply
5223 × 4119 = 4119 × (5223)
+ 4119 × 3 that equals 12357
+ 4119 × 20 producing 82380
+ 4119 × 200 that is equal 823800
+ 4119 × 5000 that is equal 20595000

= 21513537
