A section of road needs to be built in Liulian Village. It will take 10 days for engineering team A to complete the repair alone, and 15 days for engineering team B to complete the repair alone.
六联村要修一段路，甲工程队单独修要10天完成，乙工程队单独修要15天完成，两队合修5天后，还有多少没有完成？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 5</gadget>
<output>5/6 = around 0.833333</output>

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

<result>1/6 = around 0.166667</result>