Alright, let's work through 8239 times 3142 step by step
8239 × 3142 = 3142 × (8239)
+ 3142 × 9 that equals 28278
+ 3142 × 30 that is equal 94260
+ 3142 × 200 which equals 628400
+ 3142 × 8000 that results in 25136000

= 25886938
