No problem, we've got 3725 and 1039 to multiply
3725 × 1039 = 1039 × (3725)
+ 1039 × 5 what gives us 5195
+ 1039 × 20 that equals 20780
+ 1039 × 700 which equals 727300
+ 1039 × 3000 what gives us 3117000

= 3870275
