There is a manuscript with 3600 words, and the typist typed it in 3 hours (1/4). According to this calculation, how many hours will it take to finish typing this manuscript? (answer in four ways)
有一份稿件3600个字，打字员3小时打了(1/4)，照这样计算，打完这份稿件一共要多少小时？(用四种方法解答)
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 3</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">3_600 * (1/12)</gadget>
<output>300</output>

<gadget id="calculator">3_600 / 300</gadget>
<output>12</output>

<result>12</result>