The publishing house publishes a technical book. If you arrange 600 words per page, you need to arrange 80 pages. In order to save money, it is now decided to reduce the font size and add 200 characters per page. How many pages does this technical book have now? (Answer with proportional knowledge)
出版社出版一本科技书．如果每页排600个字，要排80页．为了节省开支，现在决定缩小字号，每页多排200个字，现在这本科技书有多少页？(用比例知识解答)
<gadget id="calculator">600 * 80</gadget>
<output>48_000</output>

<gadget id="calculator">600 + 200</gadget>
<output>800</output>

<gadget id="calculator">48_000 / 800</gadget>
<output>60</output>

<result>60</result>