car drove from Qingcheng to Blue City, which is 480 kilometers away. After 4 o'clock, the car traveled the entire distance (2/3). According to this calculation, how long does it take for this car to travel from Qingcheng to Lancheng?
一辆汽车从青城开往相距480千米的蓝城，4时后，汽车行了全程的(2/3)．照这样计算，这辆汽车从青城到蓝城需要行驶几时？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) / 4</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">480 * (1/6)</gadget>
<output>80</output>

<gadget id="calculator">480 / 80</gadget>
<output>6</output>

<result>6</result>