You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

brenda betty 's sister wanted to have 3 bracelets with star-shaped stones . she also bought 36 star-shaped stones from the local store and gave it to betty . how many star-shaped stones will there be in each of the bracelet betty makes for brenda ?
12