rectangular swimming pool is 25cm long and 10m more than wide, what is the perimeter of the swimming pool in m
一个长方形的游泳池长25cm，比宽多10m，这个游泳池的周长是多少m
<gadget id="calculator">25 - 10</gadget>
<output>15</output>

<gadget id="calculator">15 + 25</gadget>
<output>40</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>