No problem, we've got 4122 and 5664 to multiply
4122 × 5664 = 5664 × (4122)
+ 5664 × 2 what gives us 11328
+ 5664 × 20 that is equal 113280
+ 5664 × 100 that equals 566400
+ 5664 × 4000 that results in 22656000

= 23347008
