From Wang Village to the county seat, you have to go through Li Village, Xiao Wang goes from Wang Village, and Xiao Li goes from Li Village to the county seat together. Xiao Wang rides a bicycle and walks 10 kilometers per hour, and Xiao Li walks 5 kilometers per hour. After 2 hours, they both arrive at the county seat at the same time. How many kilometers is the distance between Wang Village and Li Village?
从王村去县城要经过李村，小王从王村，小李从李村同进出发去县城．小王骑自行车每小时走10千米，小李步行每小时走5千米，2小时后两人同时到达县城，那么王村与李村相距多少千米？
<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>