Alright, let's work through 8406 times 3142 step by step
8406 × 3142 = 3142 × (8406)
+ 3142 × 6 yielding 18852
+ 3142 × 00 yielding 0
+ 3142 × 400 which equals 1256800
+ 3142 × 8000 giving us 25136000

= 26411652
