No problem, we've got 7739 and 2339 to multiply
7739 × 2339 = 2339 × (7739)
+ 2339 × 9 which equals 21051
+ 2339 × 30 producing 70170
+ 2339 × 700 that equals 1637300
+ 2339 × 7000 which equals 16373000

= 18101521
