Workers repair a 1,600-meter-long road. They repair an average of 150 meters per day in the first 4 days, and the rest will be completed in 5 days. How many meters per day are they repaired on average?
工人们修一条1600米长的公路，前4天平均每天修150米，剩下的要在5天完成，平均每天修多少米？
<gadget id="calculator">150 * 4</gadget>
<output>600</output>

<gadget id="calculator">1_600 - 600</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 5</gadget>
<output>200</output>

<result>200</result>