To build a road, 350 meters were built on the first day, and 80% of the first day was repaired on the second day. How many meters were repaired on the second day?
修一条公路，第一天修了350米，第二天修的是第一天的80%，第二天修了多少米？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">350 * (4/5)</gadget>
<output>280</output>

<result>280</result>