The bookstore shipped 420 story books, and 25 technology books shipped three times more than the story books. How many technical books did the bookstore ship?
书店运来故事书420本，运来的科技书比故事书的3倍还多25本．书店运来科技书多少本？
<gadget id="calculator">420 * 3</gadget>
<output>1_260</output>

<gadget id="calculator">1_260 + 25</gadget>
<output>1_285</output>

<result>1_285</result>