Alright, let's work through 1152 times 3139 step by step
1152 × 3139 = 3139 × (1152)
+ 3139 × 2 resulting in 6278
+ 3139 × 50 producing 156950
+ 3139 × 100 producing 313900
+ 3139 × 1000 producing 3139000

= 3616128
