The road repair team repaired a 600-meter-long road. On the first day, they repaired the full length (7/40), and on the second day they repaired (1/7) more than the first day. How many meters are left to be repaired?
修路队修一条长600米的公路，第一天修了全长的(7/40)，第二天比第一天多修了(1/7)，还剩下多少米没有修好？
<gadget id="calculator">7 / 40</gadget>
<output>7/40 = around 0.175</output>

<gadget id="calculator">600 * (7/40)</gadget>
<output>105</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">105 * (8/7)</gadget>
<output>120</output>

<gadget id="calculator">600 - 105 - 120</gadget>
<output>375</output>

<result>375</result>