A road construction team repaired 84 kilometers on the first day, and the repairs on the first day were 40% less than those on the second day. How many kilometers were repaired in two days?
一个修路队，第一天修了84千米，第一天修的比第二天少40%，两天一共修了多少千米？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">84 / (3/5)</gadget>
<output>140</output>

<gadget id="calculator">84 + 140</gadget>
<output>224</output>

<result>224</result>