A project needs 10 days for team A to complete alone, and 8 days for team B to complete alone. Team A will work on it for 2 days and then be transferred away to be completed by team B. How many days will it take to complete the task?
一项工程，甲队单独完成需10天，乙队单独完成需8天，甲队先干2天后被调走，由乙队完成，还需几天能完成任务？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 2</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 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(4/5) / (1/8)</gadget>
<output>32/5 = around 6.4</output>

<result>32/5 = around 6.4</result>