No problem, we've got 4129 and 1564 to multiply
4129 × 1564 = 1564 × (4129)
+ 1564 × 9 that is equal 14076
+ 1564 × 20 that is equal 31280
+ 1564 × 100 resulting in 156400
+ 1564 × 4000 that equals 6256000

= 6457756
