rectangular pool is 485 meters long and 195 meters wide compared to its length. What is the perimeter of the pool in meters?
一个长方形水池，长485米，宽比长短195米，这个水池的周长是多少米？
<gadget id="calculator">485 - 195</gadget>
<output>290</output>

<gadget id="calculator">485 + 290</gadget>
<output>775</output>

<gadget id="calculator">2 * 775</gadget>
<output>1_550</output>

<result>1_550</result>