There are two bamboo poles with a length of 35 cm and 28 cm respectively. If they are sawed into sections of the same length and there are no remaining sections, what is the longest section in centimeters?
有两根竹竿，分别长35厘米和28厘米，若把它们锯成同样长的小节，且没有剩余，每小节最长是多少厘米？
<result>7</result>