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.

emily is making bead necklaces for her friends . she has 28 beads and each necklace takes 7 beads . how many necklaces can emily make ?
4

because of the decision sofia asked the students to suggest specific types of food . if 279 students suggested adding mashed potatoes while 234 suggested adding bacon to the menu how many students participated in the suggestion of new food items ?
513

mom made 32 chocolate chip cookies . it took 24 minutes to mix the ingredients and 16 minutes to bake . julie and matt ate 9 cookies after dinner . how many cookies were left ?
23