Xiping Township built an 800-meter-long embankment, with an average of 38 meters per day in the first 15 days. The rest will take 5 days to complete. How many meters will be repaired on average per day?
西平乡修一条长800米的河堤，前15天平均每天修38米．余下的要5天完成，平均每天要修多少米？
<gadget id="calculator">38 * 15</gadget>
<output>570</output>

<gadget id="calculator">800 - 570</gadget>
<output>230</output>

<gadget id="calculator">230 / 5</gadget>
<output>46</output>

<result>46</result>