A road repair team repaired a road, and repaired the full length (1/5) in the first week, and repaired 12 kilometers more in the second week than in the first week, leaving 78 kilometers to be repaired. How long is the total length of this road? rice?
某修路队修一条公路，第一周修了全长的(1/5)，第二周比第一周多修12千米，还剩下78千米没修，这条公路全长多少千米？
<gadget id="calculator">12 + 78</gadget>
<output>90</output>

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

<gadget id="calculator">(1/5) * 2</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">90 / (3/5)</gadget>
<output>150</output>

<result>150</result>