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.

There are 4 cards . 3 cards more are added . How many are there total ?
7

A group of 3 friends went into a restaurant . The chef already had 6 chicken wings cooked but cooked 3 more for the group . If they each got the same amount how many would each person get ?
3

There are 77 apples in a box . Louise has 9 apples in a bag . Scott takes 75 apples out of the box . How many apples are left in the box ?

2