Alright, let's work through 7999 times 7852 step by step
7999 × 7852 = 7852 × (7999)
+ 7852 × 9 that is equal 70668
+ 7852 × 90 which equals 706680
+ 7852 × 900 which equals 7066800
+ 7852 × 7000 producing 54964000

= 62808148
