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.

For a birthday party Cody bought 4 regular sodas and 44 diet sodas . If his fridge would only hold 6 on each shelf , how many shelves would he fill up ?
8

The schools debate team had 28 boys and 4 girls on it . If they were split into groups of 4 how many groups could they make ?
8

Billy was putting his spare change into piles . He had 2 piles of quarters and 3 piles of dimes . If each pile had 4 coins in it , how many coins did he have total ?

20