First find how many candy canes Andy gets from his teachers: 3 canes/teacher * 4 teachers = <<3*4=12>>12 canes

Then add the number of candy canes he gets from his parents: 12 canes + 2 canes = <<12+2=14>>14 canes

Then divide that number by 7 to find the number of canes he buys: 14 canes / 7 = <<14/7=2>>2 canes

Then add the number of candy canes he gets from each source to find the total number: 2 canes + 14 canes = <<2+14=16>>16 canes

Then divide the total number of candy canes by the number of candy canes it takes to get one cavity to find the number of cavities Andy gets: 16 canes / 4 canes/cavity = <<16/4=4>>4 cavities

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Andy gets a cavity for every 4 candy canes he eats. He gets 2 candy canes from his parents and 3 candy canes each from 4 teachers. Then he uses his allowance to buy 1/7 as many candy canes as he was given. How many cavities does he get from eating all his candy canes?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
16
Andy gets a cavity for every 4 candy canes he eats. He gets 2 candy canes from his parents and 3 candy canes each from 4 teachers. Then he uses his allowance to buy 1/7 as many candy canes as he was given. How many cavities does he get from eating all his candy canes?
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