No problem, we've got 5621 and 5209 to multiply
5621 × 5209 = 5209 × (5621)
+ 5209 × 1 which equals 5209
+ 5209 × 20 what gives us 104180
+ 5209 × 600 producing 3125400
+ 5209 × 5000 that is equal 26045000

= 29279789
