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.
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Question: There school 's baseball team had 31 new players and 4 returning players . If the coach put them into groups with 7 players in each group , how many groups would there be ?

Answer: 5


Question: Fred found 47 seashells on the beach , he gave Jessica 25 of the seashells . How many seashells does he now have ?

Answer: 22


Question: One recipe calls for 0.25 teaspoon vanilla , and a second recipe requires for 0.5 teaspoon vanilla , and a third recipe calls for 0.125 teaspoon vanilla . How much vanilla is required to make all 3 recipes , in teaspoons ?

Answer:
0.875