Wang Jun's house, Liu Wen's house and the school are all on the same side of Taihang Street. Wang Jun's home is 290 meters away from the school, and Liu Wen's home is 420 meters away from the school. What are the locations of Wang Jun's family and Liu Wen's family? How many meters apart?
王军家、刘文家和学校都在太行街同一侧．王军家距学校290米，刘文家距学校420米．王军家与刘文家的位置情况会有几种？分别相距多少米？
<gadget id="calculator">420 + 190</gadget>
<output>610</output>

<result>610</result>