It takes a car 5 hours to drive from place A to place B. It travels 240 kilometers in the first 3 hours and 120 kilometers in the next 2 hours. How many kilometers per hour does the car travel on average?
一辆汽车从甲地开往乙地一共用了5小时，前3小时行了240千米，后2小时行了120千米．汽车平均每小时行多少千米？
<gadget id="calculator">240 + 120</gadget>
<output>360</output>

<gadget id="calculator">360 / 5</gadget>
<output>72</output>

<result>72</result>