No problem, we've got 6579 and 1979 to multiply
6579 × 1979 = 1979 × (6579)
+ 1979 × 9 giving us 17811
+ 1979 × 70 what gives us 138530
+ 1979 × 500 what gives us 989500
+ 1979 × 6000 that equals 11874000

= 13019841
