It takes 48 days for teams A and B to complete a project in cooperation. After the project is done by team A alone for 60 days, it is handed over to team B, and team B needs to work for another 32 days to complete the entire project. How many days will it take Team A to complete the entire project alone?
A与B两队合作完成一项工程需48天．该项工程由A队单独做了60天后，交给B队，B队需要再做32天才能完成全部工程．A队单独完成全部工程需要多少天？
<gadget id="calculator">28 * 3</gadget>
<output>84</output>

<result>84</result>