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: Sandy's dog had 8 puppies and 4 had spots. She gave 4 to her friends. How many puppies does she now have?

A: 4.0
****
Q: Sam has 86 yellow and 20 green marbles. Joan took 25 of Sam'syellow marbles. How many yellow marbles does Sam now have?

A: 61.0
****
Q: Joan's cat had 8 kittens. She gave 2 to her friends. How many kittensdoes she have now?

A:
6.0
****
