The construction team wanted to lay an underground water pipe with a total length of 1050 meters. Half of the total length was completed in 8 days of construction, and the remaining 105 meters were laid every day. How many days did it take to complete the task?
施工队要铺设一根总长1050米的地下水管，施工8天完成全长的一半，余下的每天铺设105米，完成任务一共用了多少天？
<gadget id="calculator">1_050 / 2 / 105</gadget>
<output>5</output>

<gadget id="calculator">5 + 8</gadget>
<output>13</output>

<result>13</result>