The distance between A and B is 280 kilometers. The passenger car and the truck are developed from the two places at the same time. They meet after 2 hours. The speed of the truck is 80 kilometers per hour. What is the speed of the passenger car?
甲、乙两地相距280千米，客车和货车同时从两地相对开发，2小时后相遇，货车的速度是每小时80千米，客车的速度是多少？
<gadget id="calculator">2 * 80</gadget>
<output>160</output>

<gadget id="calculator">280 - 160</gadget>
<output>120</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>