We're going to solve 9909 multiplied by 8686
9909 × 8686 = 8686 × (9909)
+ 8686 × 9 resulting in 78174
+ 8686 × 00 what gives us 0
+ 8686 × 900 yielding 7817400
+ 8686 × 9000 that results in 78174000

= 86069574
