No problem, we've got 3822 and 5507 to multiply
3822 × 5507 = 5507 × (3822)
+ 5507 × 2 producing 11014
+ 5507 × 20 which equals 110140
+ 5507 × 800 what gives us 4405600
+ 5507 × 3000 that equals 16521000

= 21047754
