A road was planned to be repaired in the first month (2/3), and there were 200 meters left in the second month. As a result, the whole road was repaired in the first month (5/6), and how many meters were actually left in the second month.
一条路第一个月计划修全程的(2/3)，第二个月还剩200米，结果实际第一月修了全程的(5/6)，第二个月实际剩多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">200 / (1/3)</gadget>
<output>600</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">600 * (1/6)</gadget>
<output>100</output>

<result>100</result>