No problem, we've got 3557 and 1248 to multiply
3557 × 1248 = 1248 × (3557)
+ 1248 × 7 that is equal 8736
+ 1248 × 50 what gives us 62400
+ 1248 × 500 producing 624000
+ 1248 × 3000 which equals 3744000

= 4439136
