It is necessary to cut a 5-meter-long iron wire into several sections on average. If you cut a section each time, you can finish it by cutting 4 times. What is the length of a section of the original iron wire ((())/(())) rice.
要把一根长5米的铁丝平均剪成几段，如果每次剪下一段，剪4次就可以完成，一段的长是原来铁丝的((())/(()))，是多少米．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">5 / 5</gadget>
<output>1</output>

<result>1</result>