Teacher:You are given a math word problem and you are supposed to apply an addition mathematical operator 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: Julia played tag with 13 kids on monday and 10 kids on tuesday. She played cards with 15 kids on wednesday.

Question: How many kids did she play with altogether?
Student:
38