Chaoyang Road in the county town is 6.6 kilometers long. Team A and Team B jointly pave the road. Team A paves 0.5 kilometers every day, and Team B paves 1.2 times that of Team A every day. How many days will it take for the two teams to jointly pave this section of road?
县城朝阳路长6.6千米，由甲乙两个队合铺，甲队每天铺0.5千米，乙队每天铺的是甲队的1.2倍，两队合铺这段公路需要几天完成？
<gadget id="calculator">0.5 * 1.2</gadget>
<output>0.6</output>

<gadget id="calculator">0.5 + 0.6</gadget>
<output>1.1</output>

<gadget id="calculator">6.6 / 1.1</gadget>
<output>6</output>

<result>6</result>