A wire is 1000 meters long, first 196 meters are used, and then 204 meters are used, how many meters are left?
一根电线长1000米，先用去196米，又用去204米，还剩多少米？
<gadget id="calculator">1_000 - 196 - 204</gadget>
<output>600</output>

<result>600</result>