No problem, we've got 4484 and 4572 to multiply
4484 × 4572 = 4572 × (4484)
+ 4572 × 4 that results in 18288
+ 4572 × 80 that results in 365760
+ 4572 × 400 resulting in 1828800
+ 4572 × 4000 resulting in 18288000

= 20500848
