Given the task definition, example input & output, solve the new input case.
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.
Example: Rachel strolled to Nicholas 's house . It is 10 miles from Rachel 's house to Nicholas 's house . It took Rachel 5 hours to get there . How fast did Rachel go ?
Output: 2
Rachel's speed = distance/time = 10/5 = 2

New input case for you: Jessica spent $ 10.22 on a cat toy , and a cage cost her $ 11.73 . What was the total cost of Jessica 's purchases ?
Output:
21.95