Use a 76 cm long iron wire to make a rectangular teaching aid. If the width is 16 cm, then how many cm is the length?
用76厘米长的铁丝做一个长方形的教具，要使宽是16厘米，那么长是多少厘米？
<gadget id="calculator">76 / 2</gadget>
<output>38</output>

<gadget id="calculator">38 - 16</gadget>
<output>22</output>

<result>22</result>