Xiaogang's house, Xiaoli's house and the school are exactly in a straight line. Xiaogang's house is 580 meters away from the school, Xiaoming's house is 545 meters away from the school, how many meters is the distance between Xiaohong's house and Xiaoming's house? (Think of several situations)
小刚家、小丽家与学校正好在一条直线上，小刚家离学校580米，小明家离学校545米，小红家和小明家相距多少米．(想一想有几种情况)
<gadget id="calculator">580 + 545</gadget>
<output>1_125</output>

<result>1_125</result>