A road is 8 kilometers long. A road construction team repairs 250 meters every day. After 16 days of repairing, how many meters are left?
一条路长8千米．一个修路队每天修250米，修了16天后，还剩多少米？
<gadget id="calculator">8 * 1_000</gadget>
<output>8_000</output>

<gadget id="calculator">250 * 16</gadget>
<output>4_000</output>

<gadget id="calculator">8_000 - 4_000</gadget>
<output>4_000</output>

<result>4_000</result>