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: Consider Input: mike and his brother joe found a map leading to a buried treasure in an unknown island so they decided to go on a treasure hunt . after decoding the clues on the map they found out that they need to go to the island of mysteries . to get there they could either take a plane for $ 600 or a boat for $ 254 . how much money can they save if they took a boat to the island ?

Output: 346

Input: Consider Input: mrs. hilt picked up a book that has 17 pages in it . she read 11 of the pages . how many pages did she have left to read ?

Output: 6

Input: Consider Input: there were 98 onions on the shelf . 65 were sold . how many onions is there on the shelf now ?
Output: 33