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.

[EX Q]: Ella owns 2 dogs . Each day , 1 dog eats 0.125 scoop of dog food and the other dog eats 0.125 scoop . Together , how much dog food do the 2 dogs eat each day ?
[EX A]: 0.25

[EX Q]: Joan picked 43 apples from the orchard , and gave 27 apples to Melanie . How many apples does Joan have now ?
[EX A]: 16

[EX Q]: A treasure hunter discovered a buried treasure chest filled with a total of 5155 gems . 45 of the gems were diamonds , and the rest were rubies . How many of the gems were rubies ?
[EX A]:
5110