Put a rope vertically into the water, the soaked part is 180 cm, turn around and put the other end into the water, at this time, only half of the rope is more than 140 cm not soaked. How long is this rope in centimeters?
把一根绳子垂直放入水中，浸湿部分180厘米，掉过头来把另一头放入水中，这时这根绳子只有一半还多140厘米没有被浸湿．这根绳子长多少厘米．
<gadget id="calculator">180 * 2</gadget>
<output>360</output>

<gadget id="calculator">140 + 360</gadget>
<output>500</output>

<gadget id="calculator">500 * 2</gadget>
<output>1_000</output>

<result>1_000</result>