Question
Shiyun has four times as many coins as Zara. After Zara has bought another 63 coins, Zara has twice as many coins as Shiyun. How many coins does Zara have at first?
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Shiyun has four times as many coins as Zara. After Zara has bought another 63 coins, Zara has twice as many coins as Shiyun. How many coins does Zara have at first?