road is 8 kilometers long, and the engineering team has been repairing it for 6 days, and repairs (5/6) kilometers every day. How many kilometers are left unrepaired?
一条公路长8千米，工程队已经修了6天，每天修(5/6)千米．还剩多少千米没修？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<result>3</result>