Alright, let's work through 1312 times 9005 step by step
1312 × 9005 = 9005 × (1312)
+ 9005 × 2 yielding 18010
+ 9005 × 10 producing 90050
+ 9005 × 300 what gives us 2701500
+ 9005 × 1000 what gives us 9005000

= 11814560
