No problem, we've got 7894 and 1791 to multiply
7894 × 1791 = 1791 × (7894)
+ 1791 × 4 that equals 7164
+ 1791 × 90 producing 161190
+ 1791 × 800 giving us 1432800
+ 1791 × 7000 that is equal 12537000

= 14138154
