No problem, we've got 6671 and 3994 to multiply
6671 × 3994 = 3994 × (6671)
+ 3994 × 1 which equals 3994
+ 3994 × 70 which equals 279580
+ 3994 × 600 what gives us 2396400
+ 3994 × 6000 that equals 23964000

= 26643974
