Alright, let's work through 5135 times 1005 step by step
5135 × 1005 = 1005 × (5135)
+ 1005 × 5 which equals 5025
+ 1005 × 30 that equals 30150
+ 1005 × 100 that results in 100500
+ 1005 × 5000 giving us 5025000

= 5160675
