A garden engineering team builds a green belt beside a road. The full length (1/5) was built in the first week, and the full length (3/8) was built in the second week. After two weeks of construction, there are still 34 kilometers left to be repaired. How many kilometers is the total length of this green belt? ?
某园林工程队在一条公路边修建一条绿化带．第一周修建全长的(1/5)，第二周修建全长的(3/8)，修建了两周后，还剩下34千米没修，这条绿化带全长多少千米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (1/5) - (3/8)</gadget>
<output>17/40 = around 0.425</output>

<gadget id="calculator">34 / (17/40)</gadget>
<output>80</output>

<result>80</result>