Alright, let's work through 6991 times 9835 step by step
6991 × 9835 = 9835 × (6991)
+ 9835 × 1 which equals 9835
+ 9835 × 90 which equals 885150
+ 9835 × 900 which equals 8851500
+ 9835 × 6000 yielding 59010000

= 68756485
