A swimming pool is 50 meters long, 5 meters wide, and 2 meters deep. A water level line is drawn with paint at a height of 1.5 meters along the inner wall of the swimming pool. How many meters is the total length of the water level line?
一游泳池长50米、宽5米、深2米，沿游泳池的内壁1.5米高处用漆画一条水位线，水位线全长多少米？
<gadget id="calculator">50 + 5</gadget>
<output>55</output>

<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<result>110</result>