A playground is 80 meters long and 45 meters longer than it is wide. What is the perimeter of this playground?
一个操场长80米，比宽长45米．这个操场周长是多少米？
<gadget id="calculator">80 - 45</gadget>
<output>35</output>

<gadget id="calculator">80 + 35</gadget>
<output>115</output>

<gadget id="calculator">115 * 2</gadget>
<output>230</output>

<result>230</result>