Use a 60 cm long iron wire to form a rectangular frame, so that the difference between its length and width is 14 cm, what is the area of the enclosed rectangle?
用一根长60厘米的铁丝分别围成一个长方形框架，使得它的长和宽相差14厘米，围成的长方形面积是多少平方厘米．
<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">30 - 14</gadget>
<output>16</output>

<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 + 14</gadget>
<output>22</output>

<gadget id="calculator">22 * 8</gadget>
<output>176</output>

<result>176</result>