We're going to solve 7989 multiplied by 8099
7989 × 8099 = 8099 × (7989)
+ 8099 × 9 yielding 72891
+ 8099 × 80 that is equal 647920
+ 8099 × 900 producing 7289100
+ 8099 × 7000 that equals 56693000

= 64702911
