You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
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Question: Jordan builds a model ' 52 Mustang . If the model car is 7 inches long and the scale is 1 to 18 , how many inches would the real Mustang be ?

Answer: 126


Question: My car gets 20 miles per gallon . How many miles can I drive on 5 gallons of gas ?

Answer: 100


Question: 63 people are going to the zoo . There are 3 cars to take people to the zoo . How many will go in each car if the same number go in each car ?

Answer:
21