road repairing team repaired 84 kilometers on the first day, and repaired 40% less than the first day on the second day. How many kilometers were repaired less on the second day than on the first day?
一个修路队，第一天修了84千米，第二天修的比第一天少修40%，第二天比第一天少修多少千米？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">84 * (2/5)</gadget>
<output>168/5 = around 33.6</output>

<result>168/5 = around 33.6</result>