No problem, we've got 2166 and 6370 to multiply
2166 × 6370 = 6370 × (2166)
+ 6370 × 6 yielding 38220
+ 6370 × 60 that equals 382200
+ 6370 × 100 resulting in 637000
+ 6370 × 2000 producing 12740000

= 13797420
