Alright, let's work through 2013 times 6136 step by step
2013 × 6136 = 6136 × (2013)
+ 6136 × 3 which equals 18408
+ 6136 × 10 giving us 61360
+ 6136 × 000 that results in 0
+ 6136 × 2000 yielding 12272000

= 12351768
