No problem, we've got 3997 and 1956 to multiply
3997 × 1956 = 1956 × (3997)
+ 1956 × 7 giving us 13692
+ 1956 × 90 what gives us 176040
+ 1956 × 900 what gives us 1760400
+ 1956 × 3000 producing 5868000

= 7818132
