Alright, let's work through 1331 times 9356 step by step
1331 × 9356 = 9356 × (1331)
+ 9356 × 1 producing 9356
+ 9356 × 30 yielding 280680
+ 9356 × 300 what gives us 2806800
+ 9356 × 1000 that results in 9356000

= 12452836
