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 operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Example: for a birthday party cody bought 30 regular sodas and 5 diet sodas . How many sodas are there ?
Output: 35
total sods = 30+5 = 35

New input case for you: angela won a contest . she gets $ 90 to spend at puzzle palace . she bought many wonderful puzzles . she had $ 12 left . how much did she spend ?
Output:
78