Alright, let's work through 7889 times 8345 step by step
7889 × 8345 = 8345 × (7889)
+ 8345 × 9 resulting in 75105
+ 8345 × 80 that is equal 667600
+ 8345 × 800 that is equal 6676000
+ 8345 × 7000 that results in 58415000

= 65833705
