Divide a 1 meter long iron wire into 5 equal segments, how many centimeters each segment is.
把一根1米长的铁丝平均分成5段，每段长多少厘米．
<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<gadget id="calculator">1 * 20</gadget>
<output>20</output>

<result>20</result>