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: christian and his parents went to mt . falton national park for the weekend . they were welcomed warmly by the rangers who invite volunteers and call them '' earth keepers '' . the junior ranger asked christian to help him place 420 seedlings in packets . if every packet needs to contain 7 seeds how many packets do they need ?

Answer: 60

Question: amanda and her friends decided to go to an amusement park for the weekend . the nearest amusement park from their city is super fun-tastic land . if they cover a distance of 27 miles for every hour of travel and they travelled for 3 hours how far is sfl from the city ?

Answer: 81

Question: to get to school jenny decided to ride the school 's double decker bus . the bus has a total of 20 rows of seats and each row has a capacity of 4 kids . how many kids in total can ride the school bus ?

Answer:
80