###Human: In Carrie's desk drawer there are 7 yellow highlighters. There are 7 more pink highlighters than yellow highlighters, and there are 5 more blue highlighters than pink highlighters. How many highlighters are in Carrie's desk drawer in all?, ### Assistant: The number of pink highlighters is 7 + 7 = 14
The number of blue highlighters is 14 + 5 = 19.
There are 7 yellow highlighters.
The total number of yellow, pink, and blue highlighters is 7 + 14 + 19 = 40. 
 So the answer is :  40