The engineering team repaired a road. The first 6 days averaged 0.75 kilometers per day, and the next 8 days totaled 6.4 kilometers. At this time, the road was just completed. How many kilometers is the total length of the road?
工程队修一条公路，前6天平均每天修0.75千米，后8天共修6.4千米，这时正好修完这条公路，这条公路全长多少千米？
<gadget id="calculator">0.75 * 6</gadget>
<output>4.5</output>

<gadget id="calculator">4.5 + 6.4</gadget>
<output>10.9</output>

<result>10.9</result>