Alright, let's work through 1443 times 8396 step by step
1443 × 8396 = 8396 × (1443)
+ 8396 × 3 what gives us 25188
+ 8396 × 40 what gives us 335840
+ 8396 × 400 which equals 3358400
+ 8396 × 1000 yielding 8396000

= 12115428
