No problem, we've got 7158 and 1837 to multiply
7158 × 1837 = 1837 × (7158)
+ 1837 × 8 what gives us 14696
+ 1837 × 50 giving us 91850
+ 1837 × 100 that is equal 183700
+ 1837 × 7000 producing 12859000

= 13149246
