To build a road, 200 meters were built in 4 days. According to this calculation, it took another 6 days to build, and how many meters were repaired? (Solve with ratio)
修一条公路，4天修了200米，照这样计算，又修了6天，又修了多少米？(用比例解)
<gadget id="calculator">200 * 6</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 4</gadget>
<output>300</output>

<result>300</result>