No problem, we've got 9991 and 3937 to multiply
9991 × 3937 = 3937 × (9991)
+ 3937 × 1 that equals 3937
+ 3937 × 90 what gives us 354330
+ 3937 × 900 what gives us 3543300
+ 3937 × 9000 producing 35433000

= 39334567
