A red wire and a blue wire have the same length. Cut off the red wire by (4/5) and the blue wire by (4/5) meters. The remaining red wire is longer than the blue wire. The original two How many meters is the length of the wire shorter?
一根红色电线和一根蓝色电线的长度相等，把红的剪去(4/5)，蓝的剪去(4/5)米，剩下的红色电线比蓝色电线长，原来的两根电线都比多少米短
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / (4/5)</gadget>
<output>1</output>

<result>1</result>