There are 258 story books in the school library, 65 are returned in the morning by the third grade, and 59 are borrowed by the fourth grade in the afternoon. How many books are there in the library now? (two ways to answer)
学校图书室有故事书258本，上午三年级还回65本，下午四年级借走59本，现在图书室一共有多少本图书？(两种方法解答)
<gadget id="calculator">65 - 59</gadget>
<output>6</output>

<gadget id="calculator">258 + 6</gadget>
<output>264</output>

<result>264</result>