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.

Robin uploaded 31 pictures from her phone and 5 from her camera to facebook . If she sorted the pics into 9 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?
4

Sara had 21 quarters in her bank . Her dad gave her 49 quarters . How many quarters does she have now ?
70

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

7