For a series of manuscripts, it takes 20 days for Doudou to enter, and 30 days for Diandian to record. Now the two of them are cooperating to enter, and Doudou takes a break of 2.5 days in the middle.
一系列书稿，豆豆录入需要20天，点点录需要30天，现在二人合作录入，中间豆豆休息2.5天，点点休息可若干天，这样一共两周正好录完，点点休息了几天？
<gadget id="calculator">14 - 2.5</gadget>
<output>11.5</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">11.5 * (1/20)</gadget>
<output>0.575</output>

<gadget id="calculator">1 - 0.575</gadget>
<output>0.425</output>

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">0.425 / (1/30)</gadget>
<output>12.75</output>

<gadget id="calculator">14 - 12.75</gadget>
<output>1.25</output>

<result>1.25</result>