The new semester starts, and the school ships 20 boxes of textbooks, each box contains 12 packs, and each pack contains 35 books, how many books are shipped in total?
新学期开学，学校运来20箱教科书，每箱有12包，每包有35本，求一共运来多少本书？
<gadget id="calculator">12 * 20 * 35</gadget>
<output>8_400</output>

<result>8_400</result>