No problem, we've got 3956 and 1239 to multiply
3956 × 1239 = 1239 × (3956)
+ 1239 × 6 what gives us 7434
+ 1239 × 50 giving us 61950
+ 1239 × 900 giving us 1115100
+ 1239 × 3000 producing 3717000

= 4901484
