No problem, we've got 5424 and 1139 to multiply
5424 × 1139 = 1139 × (5424)
+ 1139 × 4 what gives us 4556
+ 1139 × 20 what gives us 22780
+ 1139 × 400 yielding 455600
+ 1139 × 5000 resulting in 5695000

= 6177936
