The road repair team rushes to repair a section of road. When the repair reaches the full length (2/5), there is still 150 meters away from the midpoint. How long is this section of road in meters?
修路队抢修一段公路，当修到全长的(2/5)时，离中点还有150米，这段公路全长多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">150 / (1/10)</gadget>
<output>1_500</output>

<result>1_500</result>