No problem, we've got 3971 and 1039 to multiply
3971 × 1039 = 1039 × (3971)
+ 1039 × 1 that results in 1039
+ 1039 × 70 giving us 72730
+ 1039 × 900 yielding 935100
+ 1039 × 3000 that equals 3117000

= 4125869
