In the construction of new countryside, a construction company undertakes the road hardening project in a certain county and village. It takes 15 days for engineering team A to do it alone, and 10 days for engineering team B to do it alone. After 5 days of joint repair by teams A and B, due to an ice disaster elsewhere, the road was destroyed, and an engineering team was dispatched to participate in the rush repair battle. Which engineering team do you think will be dispatched? Give reasons. How many days will it take for the remaining engineering team to complete the project?
在新农村建设中，某建筑公司承担某县地村公路硬化工程，甲工程队单独做需要15天，乙工程队单独做需要10天．甲、乙两队合修5天后，因其他地方发生冰灾，道路被毁，公路抽调一个工程队参加抢修会战，你认为会抽调哪个工程队？说出理由．留下的工程队需要几天才能把这项工程做完？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 15</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>