The road repair team repaired a 300-meter-long road. On the first day, 30% of the total length was repaired, and on the second day, the full length (3/5) was repaired. How many meters are left to be repaired?
修路队维修一段300米长的公路，第一天修了全长的30%，第二天修了全长的(3/5)，还剩多少米未修？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">300 * (1/10)</gadget>
<output>30</output>

<result>30</result>