No problem, we've got 4387 and 3079 to multiply
4387 × 3079 = 3079 × (4387)
+ 3079 × 7 what gives us 21553
+ 3079 × 80 that equals 246320
+ 3079 × 300 yielding 923700
+ 3079 × 4000 producing 12316000

= 13507573
