Two warships A and B set out from two lanes facing each other at the same time. The fleet of Army A travels 48 kilometers per hour, and the speed of Warship B is (2/3) of that of Warship A. The two warships meet in 4 hours. How many kilometers is the distance between the two lanes?
甲乙两军舰同时从两个巷口相对开出．甲军舰队每小时行48千米，乙军舰的速度是甲军舰的(2/3)，4小时两军舰相遇，两个巷口的距离是多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">48 * (2/3)</gadget>
<output>32</output>

<gadget id="calculator">32 + 48</gadget>
<output>80</output>

<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<result>320</result>