The speed of a car is 65 km/h. It starts from point A to point B, which is 400 km away. It has traveled 140 km in the morning. How many hours will it take to arrive in the afternoon?
一辆汽车的速度是65千米/时，它从甲地出发到400千米处的乙地，上午已经行了140千米，下午还要行几小时才能到达？
<gadget id="calculator">400 - 140</gadget>
<output>260</output>

<gadget id="calculator">260 / 65</gadget>
<output>4</output>

<result>4</result>