instruction:
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.
question:
John needs $ 2.5 . He has $ 0.75 . How much more money does he need ?
answer:
1.75


question:
James ate 22 carrot sticks before dinner and 15 more after dinner . How many carrot sticks did he eat ?
answer:
37


question:
There were 2 friends playing a video game online when 2 more players joined the game . If each player had 6 lives , how many lives did they have total ?
answer:

24