There are 205 story books in the library, 87 less comic books than story books, 426 more science books than comic books, how many science books are there?
图书馆有故事书205本，连环画比故事书少87本，科技书比连环画多426本，科技书有多少本？
<gadget id="calculator">205 - 87</gadget>
<output>118</output>

<gadget id="calculator">118 + 426</gadget>
<output>544</output>

<result>544</result>