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: A construction company bought 5.91 tons of gravel and 8.19 tons ofsand. How many tons of material did the company buy in all?

A: 14.1
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Q: There are 46 rulers in the drawer. Tim took 25 rulers from the drawer. How many rulers are now in the drawer?

A: 21.0
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Q: Alyssa's cat had 8 kittens and 8 had spots. She gave 4 to her friends.How many kittens does she now have?

A:
4.0
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