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.

[EX Q]: my car gets 20 miles per gallon . how many miles can i drive on 5 gallons of gas ?
[EX A]: 100

[EX Q]: there are 757 pounds of sand to be filled into bags . if each bag has a capacity of 65 pounds how many bags are needed ?
[EX A]: 11.646153846153846

[EX Q]: edward 's dad bought 459 centimeters of string . if he cut the string into 9 equal pieces what would be the length of each piece ?
[EX A]:
51