No problem, we've got 7911 and 3981 to multiply
7911 × 3981 = 3981 × (7911)
+ 3981 × 1 which equals 3981
+ 3981 × 10 yielding 39810
+ 3981 × 900 producing 3582900
+ 3981 × 7000 which equals 27867000

= 31493691
