There were 19 people in a queue for a free shortbread at Kimberly's Cafe. John was the fifteenth person in the queue. Gabriel was the second last person in the queue. How many people were there between John and Gabriel?
John's position: Number 15
Gabriel's position: 19 - 2 + 1 = Number 18
Number of people between them
= 18 - 15 - 1
= 2
Answer(s): 2