You will be given a definition of a task first, then some input of the task.
You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

In Shannon 's apartment complex , 0.16666666666666666 the apartments are one - bedroom apartments and 0.3333333333333333 are two - bedroom apartments . What fraction of the apartments are either 1 - or two - bedroom apartments ?
Output:
0.5