Make a manuscript. I typed 12 pages on the first day and 13 pages on the second day. I typed this manuscript in two days (5/48). How many pages does this manuscript have?
打一部书稿．第一天打了12页，第二天打了13页．两天共打了这部书稿的(5/48)．这部书稿有多少页？
<gadget id="calculator">12 + 13</gadget>
<output>25</output>

<gadget id="calculator">5 / 48</gadget>
<output>5/48 = around 0.104167</output>

<gadget id="calculator">25 / (5/48)</gadget>
<output>240</output>

<result>240</result>