The distance between A and B is 588 kilometers. A truck drives from B to A at a speed of 48 kilometers per hour. After the truck drives for 2 hours, the passenger car drives from A to B. After another 4 hours, the two vehicles meet , How many kilometers does the bus travel per hour?
甲乙两城相距588千米，货车以每小时48千米的速度从乙城开往甲城，货车开了2小时后，客车才从甲城开往乙城，又经过4小时，两车相遇，客车每小时行多少千米？
<gadget id="calculator">4 + 2</gadget>
<output>6</output>

<gadget id="calculator">48 * 6</gadget>
<output>288</output>

<gadget id="calculator">588 - 288</gadget>
<output>300</output>

<gadget id="calculator">300 / 4</gadget>
<output>75</output>

<result>75</result>