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.

There are 1986 books in Oak Grove's public library. In addition,there are 5106 books in its school libraries. How many books do thelibraries in Oak Grove have overall?
7092.0

There are 115 pencils in the drawer. Sara placed 100 pencils in thedrawer. How many pencils are now there in all?
215.0

A spaceship traveled 0.5 light-year from Earth to Planet X and 0.1light-year from Planet X to Planet Y. Then it traveled 0.1 light-yearfrom Planet Y back to Earth. How many light-years did the spaceshiptravel in all?

0.7

