The students donated a total of 814 books to Hope Primary School, including 375 story books, 266 science and technology books, and the rest are comic books. How many comic books are there?
同学们为希望小学一共捐了814本书，其中故事书375本，科技书266本，其余的全是连环画．连环画有多少本？
<gadget id="calculator">375 + 266</gadget>
<output>641</output>

<gadget id="calculator">814 - 641</gadget>
<output>173</output>

<result>173</result>