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.
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Question: At the fair Adam bought 10 tickets . After riding the ferris wheel he had 3 tickets left . If each ticket cost 9 dollars , how much money did Adam spend riding the ferris wheel ?

Answer: 63


Question: A dealer pays 6000 dollars for a car . The dealer wants to make a profit that is 25 % of the selling price . For how much should the dealer sell the car ?

Answer: 7500


Question: A spaceship traveled 0.5 light - year from Earth to Planet X and 0.1 light - year from Planet X to Planet Y . Then it traveled 0.1 light - year from Planet Y back to Earth . How many light - years did the spaceship travel in all ?

Answer:
0.7