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]: In Yardley it snowed 0.125 inch in the morning and 0.575 inch in theafternoon. What was the total amount of snowfall?
[A]: 0.7


[Q]: Mary had 21 dimes and 38 pennies in her bank. Her dad borrowed 18pennies from Mary. How many pennies does she have now?
[A]: 20.0


[Q]: Each year, salmon travel upstream, going from the ocean to therivers where they were born. This year, 712261 male and 259378female salmon returned to their rivers. How many salmon made thetrip?
[A]:
971639.0