Alright, let's work through 5142 times 2870 step by step
5142 × 2870 = 2870 × (5142)
+ 2870 × 2 producing 5740
+ 2870 × 40 resulting in 114800
+ 2870 × 100 that equals 287000
+ 2870 × 5000 what gives us 14350000

= 14757540
