passenger car and a truck drive from A to B at the same time. When the bus travels 320 kilometers, the truck travels the entire distance (1/4); when the bus arrives at B, the truck travels the entire distance (3 /4). How many kilometers are there between A and B?
一辆客车和一辆货车同时从甲地开往乙地，当客车行了320千米时，货车行了全程的(1/4)；当客车到达乙地时，货车行了全程的(3/4)．甲、乙两地相距多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(1/4) * (4/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">320 / (1/3)</gadget>
<output>960</output>

<result>960</result>