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.

Q: Tori was 4.4 feet tall . Then she grew 2.86 feet taller . How tall is Tori now ?

A: 7.26
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Q: During a school play , Jonah staffed the snack bar . He served 0.25 pitcher of lemonade during the first intermission , 0.4166666666666667 pitcher during the second , and 0.25 pitcher during the third . How many pitchers of lemonade did Jonah pour in all ?

A: 0.9166666666666666
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Q: While taking inventory at her pastry shop , Kelly realizes that she had 0.4 box of baking powder yesterday , but the supply is now down to 0.3 box . How much more baking powder did Kelly have yesterday ?

A:
0.1
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