Dongdong participated in the 10,000-meter long-distance running training and has already run 7,000 meters. How many meters are left?
冬冬参加10000米长跑训练，已经跑了7000米，还剩多少米没跑？
<gadget id="calculator">10_000 - 7_000</gadget>
<output>3_000</output>

<result>3_000</result>