Uncle Wang travels by bicycle on weekends, and the planned journey is 160 meters. I rode 84 kilometers on Saturday and 36 kilometers on Sunday morning. According to the plan, how many kilometers does Uncle Wang need to ride on Sunday afternoon?
王叔叔利用双休日骑车旅行，计划行程是160米．星期六骑了84千米，星期天上午骑了36千米，按照计划，王叔叔星期天下午还需骑行多少千米？
<gadget id="calculator">84 + 36</gadget>
<output>120</output>

<gadget id="calculator">160 - 120</gadget>
<output>40</output>

<result>40</result>