The road construction team built a road. On the first day, they received the full length (1/5), and on the second day they repaired 45m. In two days, they repaired a total of 100m. How long is this road in meters?
修路队修一条路，第一天收了全长的(1/5)，第二天修了45m，两天共修了100m，这条路长多少米？
<gadget id="calculator">100 - 45</gadget>
<output>55</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">55 / (1/5)</gadget>
<output>275</output>

<result>275</result>