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: A pet supply store has 600 bags of dog food and 327 bags of cat food . How many more bags of dog food are there than cat food ?

Output: 273


Input: Consider Input: Tim had 50 cents . He paid 45 cents for a candy bar . How much change will he get ?

Output: 5


Input: Consider Input: A construction company is repaving a damaged road . So far , they have repaved a total of 4938 inches of the road . Today , they repaved 805 inches of the road . How many inches of the road had they repaved before today ?


Output: 4133