There are 305 fairy tales in the library, 115 more technology books than fairy tale books, and 4 times the number of comic books than fairy tales and technology books. How many comic books are there in the library?
图书室有童话故事305本，科技书的本数比童话故事书多115本，连环画的本数是童话故事与科技书的4倍，图书室有多少本连环画？
<gadget id="calculator">305 + 115 + 305</gadget>
<output>725</output>

<gadget id="calculator">725 * 4</gadget>
<output>2_900</output>

<result>2_900</result>