Order of operations problems

There were 5 boxes of oranges at the farm, with 50 oranges in each box. Three boxes were sold. In the remaining boxes, 10 oranges were rotten. How many oranges were there still left to sell?

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oranges

Jim ran 5 laps on a 400 m track. Then he jumped another 250 meters. And after that jogged another lap. How many meters did Jim cover in total?

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meters

There were 5600 spectators at a soccer game. 4552 of them were men. Among the remaining spectators there were 3 times more kids than women. How many kids attended the game?

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kids

Mei drove for 5 hours. Then stopped for half an hour to get a snack. Then Mei drove for another hour until reaching the destination. If Mei was passing 14 farms every hour, how many farms has Mei passed in total?

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farms