If a rope is 2 meters long and divided into 5 sections, what is the length of each section?
一根绳子长2米，平均分成5段后，每段长是多少分米．
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 / 5</gadget>
<output>4</output>

<result>4</result>