Teacher:You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Teacher: Now, understand the problem? Solve this instance: Context: The Razorback shop makes $ 115 dollars off each jersey and $ 25 off each t-shirt. During the Arkansas and Texas tech game they sold 113 t-shirts and 78 jerseys.

Question: How much more does a jersey cost than a t-shirt?
Student:
90