A 2-meter-long rope, cut off 2 decimeters, and divide the rest into 3 sections on average, how long is each section?
一根2米长的绳子，剪下2分米，剩下的平均分成3段，每段长几分米？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 - 2</gadget>
<output>18</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>