Alright, let's work through 8231 times 8386 step by step
8231 × 8386 = 8386 × (8231)
+ 8386 × 1 that results in 8386
+ 8386 × 30 yielding 251580
+ 8386 × 200 that is equal 1677200
+ 8386 × 8000 that results in 67088000

= 69025166
