No problem, we've got 2691 and 6718 to multiply
2691 × 6718 = 6718 × (2691)
+ 6718 × 1 what gives us 6718
+ 6718 × 90 producing 604620
+ 6718 × 600 what gives us 4030800
+ 6718 × 2000 yielding 13436000

= 18078138
