No problem, we've got 4572 and 4001 to multiply
4572 × 4001 = 4001 × (4572)
+ 4001 × 2 what gives us 8002
+ 4001 × 70 that results in 280070
+ 4001 × 500 giving us 2000500
+ 4001 × 4000 which equals 16004000

= 18292572
