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

Input: Consider Input: Haley has 63 magazines in her cabinet . She plans to send it to the recycling office in their area . If she places it in boxes which can contain 9 magazines , how many boxes will Hayley use ?

Output: 7


Input: Consider Input: Sandy had 36 pennies and 31 nickels in her bank . Her dad borrowed 20 nickels from Sandy . How many nickels does she have now ?

Output: 11


Input: Consider Input: A bucket contains 3 gallons of water . If Derek adds 6.8 gallons more , how many gallons will there be in all ?


Output: 9.8