A piece of iron wire is 25.4 meters long, and 8.9 meters are cut off, how much longer is the rest than the cut one?
一根铁丝长25.4米，剪下8.9米，剩下的比剪下的长多少米？
<gadget id="calculator">25.4 - 8.9 - 8.9</gadget>
<output>7.6</output>

<result>7.6</result>