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.

Q: Fred grew 38 cantelopes. Tim grew 44 cantelopes. How manycantelopes did they grow in total?

A: 82.0
****
Q: There are 33 walnut trees currently in the park. Park workers willplant 44 walnut trees today. How many walnut trees will the parkhave when the workers are finished?

A: 77.0
****
Q: Before December, customers buy 1346 ear muffs from the mall.During December, they buy 6444, and there are none. In all, howmany ear muffs do the customers buy?

A:
7790.0
****