We're going to solve 7778 multiplied by 1818
7778 × 1818 = 1818 × (7778)
+ 1818 × 8 what gives us 14544
+ 1818 × 70 yielding 127260
+ 1818 × 700 that is equal 1272600
+ 1818 × 7000 resulting in 12726000

= 14140404
