Definition: Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
Input: because of an upcoming exam robyn will not be able to sell cookies on tuesday . to make up for it lucy decided to do double the work to catch up . she sold 34 cookies on her first round and 27 on her second round . how many cookies were sold by lucy ?
Output:
61