A typist typed a manuscript, 12 pages on the first day, 13 pages on the second day, and this manuscript (5/12) in two days, how many pages is this manuscript?
打字员打一部书稿，第一天打了12页，第二天打了13页，两天打了这部书稿的(5/12)，这部书稿多少页？
<gadget id="calculator">12 + 13</gadget>
<output>25</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">25 / (5/12)</gadget>
<output>60</output>

<result>60</result>