You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
Paul bought 6 boxes of chocolate candy and 4 boxes of caramel candy . If each box has 9 pieces inside it , how much candy did he have total ?

Ex Output:
90


Ex Input:
David has 8 bananas . He gets 50 more from Christopher . Later , David buys 9 cards at the store . How many bananas does David have in all ?

Ex Output:
58


Ex Input:
Joan grew 8 watermelons and 4 turnips . Tom grew 9 watermelons . How many watermelons did they grow in total ?

Ex Output:

17