A road is completed on the first day (1/3), and the second day is 20 meters longer than the first day, and there are 200 meters left. How many meters is this road in total?
一条路第一天完成(1/3)，第二天比第一天多修20米，还剩200米，这条路共多少米？
<gadget id="calculator">20 + 200</gadget>
<output>220</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">220 / (1/3)</gadget>
<output>660</output>

<result>660</result>