No problem, we've got 6839 and 1911 to multiply
6839 × 1911 = 1911 × (6839)
+ 1911 × 9 that is equal 17199
+ 1911 × 30 that equals 57330
+ 1911 × 800 which equals 1528800
+ 1911 × 6000 that is equal 11466000

= 13069329
