A road repair team repaired 150 meters of road in the first month, and repaired 1/3 of the full length in the second month, leaving 250 meters to be repaired. How long is this road in meters?
一个修路队第一个月修路150米，第二个月修了全长的(1/3)，还剩250米没修，这条路全长多少米？
<gadget id="calculator">150 + 250</gadget>
<output>400</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">400 / (2/3)</gadget>
<output>600</output>

<result>600</result>