It takes 25 days for Team A to complete a project alone. Team A and Team B worked together to complete (1/5) of the project in 3 days, and Team B did the rest alone. How many days will it take to complete?
一项工程，甲队单独做要25天完成．甲、乙两队合做3天完成了这项工程的(1/5)，余下的由乙队单独做，还要几天才能完成？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/5) / 3</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">(1/15) - (1/25)</gadget>
<output>2/75 = around 0.026667</output>

<gadget id="calculator">(4/5) / (2/75)</gadget>
<output>30</output>

<result>30</result>