Definition: 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.
Input: Each day, the polar bear at Richmond's zoo eats 0.2 bucket of troutand 0.4 bucket of salmon. How many buckets of fish does the polarbear eat daily?

0.6