Lili folded a rope of 2 decimeters and 8 centimeters twice and then cut it along the folded line. How long is each section of ribbon?
丽丽把一条2分米8厘米的绳子折两次再沿折线剪断，每段彩带长多少？
<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>