Alright, let's work through 1260 times 3071 step by step
1260 × 3071 = 3071 × (1260)
+ 3071 × 0 that equals 0
+ 3071 × 60 producing 184260
+ 3071 × 200 giving us 614200
+ 3071 × 1000 producing 3071000

= 3869460
