For a manuscript, the typed part accounts for 1/5 of the unfinished part, and another 60 pages are typed, and the typed part accounts for 3/5 of the unfinished part. How many pages does this manuscript have?
一份稿件，已经打完的部分占未打完的(1/5)，再打60页，已经打完的部分占未打完部分的(3/5)，这份稿件共有多少页？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(3/8) - (1/6)</gadget>
<output>5/24 = around 0.208333</output>

<gadget id="calculator">60 / (5/24)</gadget>
<output>288</output>

<result>288</result>