To build a road, 570 meters were built in 6 days. According to this calculation, a total of 1520 meters will be repaired. How many days will it take? (Solve with ratio)
修一条公路，6天修了570米，照这样计算，总共要修1520米，还需要多少天？(用比例解)
<gadget id="calculator">1_520 - 570</gadget>
<output>950</output>

<gadget id="calculator">570 / 6</gadget>
<output>95</output>

<gadget id="calculator">950 / 95</gadget>
<output>10</output>

<result>10</result>