The road repair team builds a road. It was repaired on the first day (2/5), and there are still 240 kilometers left. The road was repaired again the next day (3/8), how many kilometers was repaired the next day?
修路队修一条公路．第一天修了(2/5)，还剩下240千米．第二天又修这条路的(3/8)，第二天修了多少千米？
<gadget id="calculator">2 / 5</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">240 / (3/5)</gadget>
<output>400</output>

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

<gadget id="calculator">400 * (3/8)</gadget>
<output>150</output>

<result>150</result>