The Uncle of the People's Liberation Army erected a 2,000-meter communication line for the disaster-stricken area in Wenchuan. An average of 350 meters was erected every day in the first three days.
解放军叔叔为汶川灾区架设一条2000米的通讯线路，前3天平均每天架设350米，剩下的2天架设完，最后两天平均每天要架设多少米？
<gadget id="calculator">350 * 3</gadget>
<output>1_050</output>

<gadget id="calculator">2_000 - 1_050</gadget>
<output>950</output>

<gadget id="calculator">950 / 2</gadget>
<output>475</output>

<result>475</result>