A rectangular vegetable field has a circumference of 48 meters and a length of 16 meters. What is the width in meters?
一块长方形菜地，周长是48米，长是16米，宽是多少米？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">24 - 16</gadget>
<output>8</output>

<result>8</result>