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.
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Question: Sam has 110 books. Joan has 102 books. How many books do theyhave together?

Answer: 212.0


Question: Joan's cat had 8 kittens. She gave 2 to her friends. How many kittensdoes she have now?

Answer: 6.0


Question: At a pie-eating contest, Erik got through 0.63 piebefore time was called ; Frank finished just 0.33 pie. How much more pie did Erik eat than Frank?

Answer:
0.3