The distance between A and B is 540 kilometers. A car travels from A to B at 48 kilometers per hour; another car travels from B to A at 32 kilometers per hour. How many kilometers are there between the two cars after they drive opposite each other from two places at the same time for 5 hours?
甲、乙两地相距540千米，一辆汽车从甲地开往乙地，每小时行48千米；另一辆汽车从乙地开往甲地，每小时行32千米．两车从两地同时相对开出5小时后，还相距多少千米？
<gadget id="calculator">48 + 32</gadget>
<output>80</output>

<gadget id="calculator">80 * 5</gadget>
<output>400</output>

<gadget id="calculator">540 - 400</gadget>
<output>140</output>

<result>140</result>