You are given a math word problem and you are supposed to apply multiple mathematical operators 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.

Input: Consider Input: In fourth grade there were 40 students at the start of the year . During the year 14 students left and 26 new students came to school . How many students were in fourth grade at the end ?

Output: 52


Input: Consider Input: While shopping , Maria bought 40 green towels and 44 white towels . If she gave her mother 65 of them , how many towels did Maria end up with ?

Output: 19


Input: Consider Input: Mary found 45 seashells , Melanie found 23 seashells , and Jason found 32 seashells on the beach . When they cleaned them , they discovered that 31 were cracked . How many seashells did they find together ?


Output: 100