The road repair team repaired a road. It was originally planned to repair 60 meters per day, which can be completed in 28 days. In fact, 84 meters are repaired every day, and it only takes a few days to complete it?
修路队修一条公路，原计划每天修60米，28天可以修完．实际每天修84米，实际只用几天完成？
<gadget id="calculator">28 / 84</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">60 * (1/3)</gadget>
<output>20</output>

<result>20</result>