The construction team completed half of a project in 5 days, how many days will it take to complete the rest of the project, and what is the correct formula
施工队5天完成一项工程的一半，完成余下工程需要多少天，正确列式是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 5</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/2) / (1/10)</gadget>
<output>5</output>

<result>5</result>