A 32-meter-long iron wire is used to form a rectangle, the length of the rectangle is 10 meters, and the width is how many meters.
用一根32米长的铁丝围成一个长方形，长方形的长是10米，宽是多少米．
<gadget id="calculator">32 / 2</gadget>
<output>16</output>

<gadget id="calculator">16 - 10</gadget>
<output>6</output>

<result>6</result>