Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
for a birthday party cody bought 30 regular sodas and 5 diet sodas . How many sodas are there ?
Solution: 35
Reason: total sods = 30+5 = 35

Now, solve this instance: harry hound had a terrible earache yesterday . when i peered into his ears yesterday i found 36 frisky fleas having a party in his right ear and 85 baby fleas sleeping peacefully in his left ear . i cleaned out harry hound 's ears . how many fleas perished ?
Student:
121