Instructions: You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Input: ned was helping the cafeteria workers pick up lunch trays but he could only carry 8 trays at a time . if he had to pick up 27 trays from 1 table and 5 trays from another how many trips will he make ?
Output:
4