The passenger car and the truck depart from the two places at the same time, and meet at a distance of 20 kilometers from the midpoint of the two places after 5 hours. After meeting, the bus travels for another 3 hours to arrive at B. How many kilometers are there between A and B?
客车与货车同时从两地相对开出，经过5小时在距两地中点20千米处相遇，相遇后客车又行3小时到达乙地，甲乙两相距多少千米．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<result>160</result>