Alright, let's work through 6715 times 1039 step by step
6715 × 1039 = 1039 × (6715)
+ 1039 × 5 which equals 5195
+ 1039 × 10 yielding 10390
+ 1039 × 700 that results in 727300
+ 1039 × 6000 that is equal 6234000

= 6976885
