Alright, let's work through 3188 times 4031 step by step
3188 × 4031 = 4031 × (3188)
+ 4031 × 8 which equals 32248
+ 4031 × 80 yielding 322480
+ 4031 × 100 yielding 403100
+ 4031 × 3000 that equals 12093000

= 12850828
