We're going to solve 8689 multiplied by 8191
8689 × 8191 = 8191 × (8689)
+ 8191 × 9 resulting in 73719
+ 8191 × 80 what gives us 655280
+ 8191 × 600 what gives us 4914600
+ 8191 × 8000 that equals 65528000

= 71171599
