You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

[EX Q]: Nicole found an orange caterpillar and a green caterpillar in her backyard . The green caterpillar was 3 inches long and the orange caterpillar was 1.1666666666666667 inches long . How much longer was the green caterpillar than the orange caterpillar ?
[EX A]: 1.8333333333333333

[EX Q]: Patrick jogged to Aaron 's house . It is 14 miles from Patrick 's house to Aaron 's house . It took Patrick 2 hours to get there . How fast did Patrick go ?
[EX A]: 7

[EX Q]: Melanie picked 7 plums and 4 oranges from the orchard . She gave 3 plums to Sam . How many plums does she have now ?
[EX A]:
4