You are given a math word problem and you are supposed to apply multiple mathematical operators 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.

Q: there are 820 blocks in bridget 's block collection . if the blocks are organized into 82 groups how big is each group ?

A: 10
****
Q: a pile of clean white paper was stacked in the corner of her room . she decided to place these papers in paper envelopes which can contain 10 white papers . how many paper envelopes does she need if she has 120 clean white papers ?

A: 12
****
Q: a chef only had 3 apples so he ordered 2 more bags . if each bag has 9 apples how many apples does he have total ?

A:
21
****