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.

Input: Consider Input: a waiter had 62 customers in his section . if 17 of them left and the rest of his tables had 9 people at each table how many tables did he have ?

Output: 5

Input: Consider Input: after the mountain country she went to the famous beach on the continent . there she collected 291 seashells of different colors . if she has 76 red shells and 49 green shells how many shells are not red or green ?

Output: 166

Input: Consider Input: haley 's old washing machine could only wash 7 pieces of clothing at a time . if she had to wash 2 shirts and 33 sweaters how many loads would she have to do ?
Output: 5