Xiaojun's airplane model flies in the air for 2 minutes, which is longer (1/5) than Xiaofeng's airplane model. How long has Xiaofeng's model airplane been in the air?
小军的飞机模型在空中飞行2分钟，比小峰的飞机模型的飞行时间长(1/5)．小峰的飞机模型在空中飞行了多长时间？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">2 / (6/5)</gadget>
<output>5/3 = around 1.666667</output>

<result>5/3 = around 1.666667</result>