A road with a length of 1 km is repaired for 5 days, and there are 250 meters left to be repaired. How many meters are repaired per day on average?
一条长1千米的路，修了5天后，还剩250米没有修，平均每天修多少米？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 250</gadget>
<output>750</output>

<gadget id="calculator">750 / 5</gadget>
<output>150</output>

<result>150</result>