No problem, we've got 1664 and 5686 to multiply
1664 × 5686 = 5686 × (1664)
+ 5686 × 4 yielding 22744
+ 5686 × 60 producing 341160
+ 5686 × 600 what gives us 3411600
+ 5686 × 1000 that results in 5686000

= 9461504
