Alright, let's work through 1448 times 6439 step by step
1448 × 6439 = 6439 × (1448)
+ 6439 × 8 that is equal 51512
+ 6439 × 40 what gives us 257560
+ 6439 × 400 giving us 2575600
+ 6439 × 1000 producing 6439000

= 9323672
