Two engineering teams, A and B, are working together to build a road. They plan to build 50 meters a day and complete the repair in 30 days. Actually repair 10 meters more every day, how many days can the repair be completed? (solution by equation)
甲、乙两个工程队合修一条公路，计划每天修50米，30天修完．实际每天多修10米，实际多少天可以修完？(用方程解)
<gadget id="calculator">50 * 30</gadget>
<output>1_500</output>

<gadget id="calculator">50 + 10</gadget>
<output>60</output>

<gadget id="calculator">1_500 / 60</gadget>
<output>25</output>

<result>25</result>