No problem, we've got 4939 and 3547 to multiply
4939 × 3547 = 3547 × (4939)
+ 3547 × 9 what gives us 31923
+ 3547 × 30 that equals 106410
+ 3547 × 900 giving us 3192300
+ 3547 × 4000 which equals 14188000

= 17518633
