A road was built in Tuanjie Village. The full length (4/7) was repaired on the first day, the rest (3/5) was repaired on the second day, and 120 meters was repaired on the third day. At this time, the road was just completed. What is the total length of this road? How much rice?
团结村修一条公路，第一天修了全长的(4/7)，第二天修了余下的(3/5)，第三天修了120米，此时刚好修完，问这条公路全长多少米？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/7) * (3/5)</gadget>
<output>9/35 = around 0.257143</output>

<gadget id="calculator">1 - (4/7) - (9/35)</gadget>
<output>6/35 = around 0.171429</output>

<gadget id="calculator">120 / (6/35)</gadget>
<output>700</output>

<result>700</result>