No problem, we've got 4213 and 5204 to multiply
4213 × 5204 = 5204 × (4213)
+ 5204 × 3 what gives us 15612
+ 5204 × 10 what gives us 52040
+ 5204 × 200 resulting in 1040800
+ 5204 × 4000 producing 20816000

= 21924452
