The road repair team builds a road. In the first 15 days, an average of 36 meters was repaired every day, and in the next 16 days, a total of 638 meters of roads were built. How many meters is the average road repaired per day?
修路队修一条路．前15天平均每天修36米，后16天共修路638米．平均每天修路多少米？
<gadget id="calculator">36 * 15</gadget>
<output>540</output>

<gadget id="calculator">540 + 638</gadget>
<output>1_178</output>

<gadget id="calculator">15 + 16</gadget>
<output>31</output>

<gadget id="calculator">1_178 / 31</gadget>
<output>38</output>

<result>38</result>