Alright, let's work through 1288 times 2448 step by step
1288 × 2448 = 2448 × (1288)
+ 2448 × 8 which equals 19584
+ 2448 × 80 resulting in 195840
+ 2448 × 200 producing 489600
+ 2448 × 1000 that equals 2448000

= 3153024
