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:
At the hardware store, 0.2 the nails are size 2d and 0.5 the nails are size 4d. What fraction of the nails are either size 2d or 4d?

Ex Output:
0.7


Ex Input:
Joan grew 29 carrots and 14 watermelons. Jessica grew 11 carrots.How many carrots did they grow in all?

Ex Output:
40.0


Ex Input:
Joan joined her school's band. She bought a trumpet for $149.18, amusic tool for $9.98, and a song book which was $4.14. Joan found$8.65 in her pocket. How much did Joan spend at the music store?

Ex Output:

163.3