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]: Isabella ’ s hair is 18 inches long . If she gets a haircut and now her hair is 9 inches long , how much of Isabella ’ s hair got cut off ?
[A]: 9


[Q]: A ship full of grain crashes into a coral reef . By the time the ship is fixed , 49952 tons of grain have spilled into the water . Only 918 tons of grain remain onboard . How many tons of grain did the ship originally contain ?
[A]: 50870


[Q]: The Montoya family spends 0.6 their budget on groceries and another 0.2 going out to eat . Altogether , what fraction of their budget does the Montoya family spend on food ?
[A]:
0.8