Alright, let's work through 8539 times 7688 step by step
8539 × 7688 = 7688 × (8539)
+ 7688 × 9 producing 69192
+ 7688 × 30 giving us 230640
+ 7688 × 500 that equals 3844000
+ 7688 × 8000 that equals 61504000

= 65647832
