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 are 4 walnut trees currently in the park . Park workers will plant 6 more walnut trees today . How many walnut trees will the park have when the workers are finished ?

Answer: 10


Question: Paul had 42 strawberries in his basket . He picked 78 more strawberries . How many strawberries did he have then ?

Answer: 120


Question: 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 ?

Answer:
1.8333333333333333