A construction team builds a road. On the first day, 38 meters were repaired, and on the second day, 42 meters were repaired. The second day was repaired more than the first day by the total length of the road (1/28). How many meters is the total length of this road?
一支工程队修一条公路．第一天修了38米，第二天修了42米，第二天比第一天多修的是这条路的全长的(1/28)，这条路全长多少米？
<gadget id="calculator">42 - 38</gadget>
<output>4</output>

<gadget id="calculator">1 / 28</gadget>
<output>1/28 = around 0.035714</output>

<gadget id="calculator">4 / (1/28)</gadget>
<output>112</output>

<result>112</result>