A rectangular flower bed has a circumference of 25.6 meters and a width of 4.8 meters. What is the length in meters?
一个长方形花坛周长25.6米，宽4.8米，长是多少米？
<gadget id="calculator">25.6 / 2</gadget>
<output>12.8</output>

<gadget id="calculator">12.8 - 4.8</gadget>
<output>8</output>

<result>8</result>