No problem, we've got 4621 and 1564 to multiply
4621 × 1564 = 1564 × (4621)
+ 1564 × 1 giving us 1564
+ 1564 × 20 that results in 31280
+ 1564 × 600 what gives us 938400
+ 1564 × 4000 yielding 6256000

= 7227244
