No problem, we've got 1666 and 5728 to multiply
1666 × 5728 = 5728 × (1666)
+ 5728 × 6 resulting in 34368
+ 5728 × 60 yielding 343680
+ 5728 × 600 what gives us 3436800
+ 5728 × 1000 that equals 5728000

= 9542848
