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: olivia had 7 math problems to complete . she spent about 4 minutes on each problem and then she spent 3 minutes checking her answers . how many minutes did she spend total ?

Output: 31


Input: Consider Input: if simon needs to make 519 gift bags at a rate of 42 bags per day how many days does he need to finish making all the gift boxes ?

Output: 12.357142857142858


Input: Consider Input: on friday 1250 people visited the zoo . 3 times as many people visited on saturday than on friday . how many people visited the zoo on saturday ?


Output: 3750