No problem, we've got 8389 and 1710 to multiply
8389 × 1710 = 1710 × (8389)
+ 1710 × 9 that results in 15390
+ 1710 × 80 which equals 136800
+ 1710 × 300 that equals 513000
+ 1710 × 8000 that equals 13680000

= 14345190
