Divide a 4-meter-long line segment into 8 segments on average, how many decimeters are each segment?
把4米长的线段平均分成8段，每段长多少分米？
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">40 / 8</gadget>
<output>5</output>

<result>5</result>