Alright, let's work through 4148 times 4439 step by step
4148 × 4439 = 4439 × (4148)
+ 4439 × 8 producing 35512
+ 4439 × 40 resulting in 177560
+ 4439 × 100 that results in 443900
+ 4439 × 4000 resulting in 17756000

= 18412972
