A construction team builds a road. The full length (3/10) was repaired on the first day, and the full length (2/5) was repaired on the second day. The second day was 150 meters longer than the first day. How long is this road in meters?
某工程队修筑一条马路．第一天修了全长的(3/10)，第二天修了全长的(2/5)，第二天比第一天多修了150米．这条马路全长多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(2/5) - (3/10)</gadget>
<output>1/10 = around 0.1</output>

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

<result>1_500</result>