Alright, let's work through 3124 times 5086 step by step
3124 × 5086 = 5086 × (3124)
+ 5086 × 4 that equals 20344
+ 5086 × 20 resulting in 101720
+ 5086 × 100 which equals 508600
+ 5086 × 3000 that equals 15258000

= 15888664
