The road construction team needs to build a road with a length of 545 meters. It will repair 50 meters per day for the first 4 days, and the remaining 5 days will be completed. How many meters will be repaired on average per day?
修路队要修一条长545米的公路，前4天每天修50米，剩下的要5天修完，剩下的平均每天修多少米？
<gadget id="calculator">50 * 4</gadget>
<output>200</output>

<gadget id="calculator">545 - 200</gadget>
<output>345</output>

<gadget id="calculator">345 / 5</gadget>
<output>69</output>

<result>69</result>