A pipeline installation team needs to install a 960-meter-long underground pipeline, and installed 192 meters in 4 days. How many days will it take to complete the remaining tasks? (Solve with ratio)
某管道安装队要安装960米长的地下管道，4天安装了192米，剩下的任务还要多少天才能完成？(用比例解)
<gadget id="calculator">960 - 192</gadget>
<output>768</output>

<gadget id="calculator">192 / 4</gadget>
<output>48</output>

<gadget id="calculator">768 / 48</gadget>
<output>16</output>

<result>16</result>