In the comprehensive practice class, Xiaofang just formed a square with 3 decimeter long iron wires. What is the length of each side of this square? The length of each side of the iron wire is the full length of the wire ((()) /(())).
综合实践课上，小芳用3分米的长的铁丝刚好围成一个正方形，这个正方形每条边的长是多少分米，每条边所用铁丝的长度是铁丝全长的((())/(()))．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / (1/4)</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>