The distance between A and B is 280 kilometers. One day at 8 o'clock in the morning, two cars, A and B, set off from the two cities and drive toward each other. Car A returns immediately after arriving at city B, and car B also returns immediately after arriving at city A. They met for the second time at 12 noon. At this time, car A traveled 40 kilometers longer than car B. Find the speed of the car.
A、B两城相距280千米，某天上午8时，甲乙两车分别从两城出发，相向而行．甲车至达B城后立即返回，乙车到达A城后也立即返回．中午12时他们第二次相遇，此时，甲车比乙车多行了40千米．求甲车的时速是多少．
<gadget id="calculator">280 * 3</gadget>
<output>840</output>

<gadget id="calculator">840 + 40</gadget>
<output>880</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">880 / 2 / 4</gadget>
<output>110</output>

<result>110</result>