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:there are 96 trees in a park . 15 of them are huge ancient oaks and another 23 of them are medium-sized fir trees . the rest are saplings . how many saplings are in the park ?
Solution:
58