Xinhua Bookstore shipped 710 popular science books, sold 128 in the first week, and 257 in the second. How many books are left in the bookstore?
新华书店运进710本科普书，第一周卖出128本，第二本卖出257本．书店还剩下多少本？
<gadget id="calculator">710 - 128 - 257</gadget>
<output>325</output>

<result>325</result>