No problem, we've got 6667 and 3121 to multiply
6667 × 3121 = 3121 × (6667)
+ 3121 × 7 giving us 21847
+ 3121 × 60 producing 187260
+ 3121 × 600 producing 1872600
+ 3121 × 6000 that equals 18726000

= 20807707
