You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: Nancy 's class is going on a field trip to the zoo . If each van can hold 5 people and there are 12 students and 3 adults going , how many vans will they need ?

Output: 3


Input: Consider Input: During a school play , Jonah staffed the snack bar . He served 0.25 pitcher of lemonade during the first intermission , 0.4166666666666667 pitcher during the second , and 0.25 pitcher during the third . How many pitchers of lemonade did Jonah pour in all ?

Output: 0.9166666666666666


Input: Consider Input: There are 33 pencils and 44 crayons in the drawer . Joan placed 27 pencils in the drawer . How many pencils are now there in total ?


Output: 60