We're going to solve 7887 multiplied by 1420
7887 × 1420 = 1420 × (7887)
+ 1420 × 7 that equals 9940
+ 1420 × 80 what gives us 113600
+ 1420 × 800 that equals 1136000
+ 1420 × 7000 which equals 9940000

= 11199540
