A project can be completed by A alone for 25 days, and then by B alone for 60 days. If A and B work together, it will take 40 days to complete. Now A will do it alone for 34 days, and then B will complete it alone. How many days will it take?
某工程由甲单独做25天后，再由乙单独做60天即可完成．如果甲、乙两人合作，需40天完成，现在甲先单独做34天，然后再由乙来单独完成，还需要做多少天．
<gadget id="calculator">40 - 34</gadget>
<output>6</output>

<gadget id="calculator">40 - 25</gadget>
<output>15</output>

<gadget id="calculator">60 - 40</gadget>
<output>20</output>

<gadget id="calculator">15 / 20</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">6 / (3/4)</gadget>
<output>8</output>

<gadget id="calculator">8 + 40</gadget>
<output>48</output>

<result>48</result>