Xiao Min and Xiao Jiang are standing back to back, Xiao Min walks 150 meters to the north, Xiao Jiang walks 120 meters to the south, how many meters are there between them?
小敏和小江背对背站立，小敏向北走150米，小江向南走120米，两人相距多少米．
<gadget id="calculator">150 + 120</gadget>
<output>270</output>

<result>270</result>