You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.

Ex Input:
Nancy went to 9 football games this month. She went to 8 games lastmonth, and plans to go to 7 games next month. She paid 3 dollars forthe tickets. How many games will she attend in all?

Ex Output:
24.0


Ex Input:
Students at Arcadia schools are participating in a coat drive. 9437coats have been collected so far. 6922 coats were collected from thehigh schools, and the rest from the elementary schools. How manycoats were collected at the elementary schools?

Ex Output:
2515.0


Ex Input:
Joan grew 24 pumpkins, Keith grew 42 pumpkins, and Alyssa grew 13pumpkins. They worked for 34 days on the farm. How manypumpkins did they grow in all?

Ex Output:

79.0