Come up with a question and reasoning that would justify [38] as the answer.
The question is: Caleb is baking a birthday cake for his grandfather. His grandfather is turning 79 years old. Caleb puts three colors of candles on the cake. He puts one candle for each year for his grandfather. He puts 27 yellow candles, 14 red candles and the rest are blue candles. How many blue candles did he use?
Reasoning: Caleb has put 27 + 14 = 41 yellow and red candles. So, he used 79 - 41 = 38 blue candles.

Come up with a question and reasoning that would justify [349] as the answer.
The question is: Oxford High School has 48 teachers, 1 principal and 15 classes with each having 20 students. How many people are there in total in Oxford High School?
Reasoning: There are 48 teachers. There is 1 principal. There are 15 classes 20 students / class = 300 students. The total number of people in Oxford High School are 300 people + 48 people + 1 people = 349 people.

Come up with a question and reasoning that would justify [13] as the answer.
The question is: Wendi brought home 4 chickens. After a few days, she brought home enough additional chickens to double the number of chickens she owned. Then, a neighbor's dog ate one of her chickens. Finally, Wendi found an additional 4 less than ten chickens and brought them home too. After this, how many chickens does Wendi have?
Reasoning: Wendi doubled her number of chickens from 4 to 4 * 2 = 8 chickens. After a dog ate one of the chickens, 8 - 1 = 7 chickens remained. 4 less than 10 is 10 - 4 = 6. Therefore, Wendi added another 4 less than ten chickens for a total of 7 + 6 = 13 chickens.