Alright, let's work through 3448 times 638 step by step
3448 × 638 = 638 × (3448)
+ 638 × 8 that is equal 5104
+ 638 × 40 that equals 25520
+ 638 × 400 which equals 255200
+ 638 × 3000 yielding 1914000

= 2199824
