Detailed Instructions: Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
Problem:after collecting materials they started making recycled products to sell during the school 's recycling fair . if marcus made 26 pen holders from the milk bottles and annie was able to make 37 how many pen holders were made ?
Solution:
63