The school bought a new batch of books, the comic book is 1/3 of the science book, bought 240 comic books, how many science books were bought?
学校新购一批图书，连环画是科技书的(1/3)，买来连环画240本，买来科技书多少本？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">240 / (1/3)</gadget>
<output>720</output>

<result>720</result>