No problem, we've got 5643 and 1968 to multiply
5643 × 1968 = 1968 × (5643)
+ 1968 × 3 which equals 5904
+ 1968 × 40 what gives us 78720
+ 1968 × 600 producing 1180800
+ 1968 × 5000 resulting in 9840000

= 11105424
