Alright, let's work through 9831 times 8785 step by step
9831 × 8785 = 8785 × (9831)
+ 8785 × 1 that results in 8785
+ 8785 × 30 that equals 263550
+ 8785 × 800 yielding 7028000
+ 8785 × 9000 that results in 79065000

= 86365335
