We're going to solve 7771 multiplied by 1300
7771 × 1300 = 1300 × (7771)
+ 1300 × 1 producing 1300
+ 1300 × 70 resulting in 91000
+ 1300 × 700 giving us 910000
+ 1300 × 7000 what gives us 9100000

= 10102300
