A passenger car and a truck drive from A to B at the same time. After 4 hours, the bus arrives at B, and the truck is still 48 kilometers away from B. It is known that the speed ratio of passenger cars and trucks is 4:3, 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，4小时后，客车到达乙地，货车离乙地还有48千米．已知客车与货车的速度比是4：3，甲、乙两地相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 / 4 / (1/4)</gadget>
<output>48</output>

<gadget id="calculator">48 * 4</gadget>
<output>192</output>

<result>192</result>