A roll of 100-meter-long wire leaves 51.65 meters after the first use, and 18.65 meters after the second use. Which one uses more wires? How much more meters?
一卷长100米的电线，第一次使用后剩下51.65米，第二次使用后剩下18.65米，哪一次使用的电线多？多多少米？
<result>18.35</result>