No problem, we've got 4549 and 4572 to multiply
4549 × 4572 = 4572 × (4549)
+ 4572 × 9 that is equal 41148
+ 4572 × 40 resulting in 182880
+ 4572 × 500 giving us 2286000
+ 4572 × 4000 that results in 18288000

= 20798028
