Two steel pipes, one is 2.7 meters long and the other is 1.8 meters long. After cutting off the same section of both steel pipes, the remaining length of the short one is the remaining length of the long one (2/5), each How many meters have the roots been cut off?
两根钢管，一根长2.7米，另一根长1.8米，两根都截去同样的一段后，短的一根剩下的长度是长的一根剩下的(2/5)，每根都截去了多少米？
<gadget id="calculator">2.7 - 1.8</gadget>
<output>0.9</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">0.9 / (3/5)</gadget>
<output>1.5</output>

<gadget id="calculator">2.7 - 1.5</gadget>
<output>1.2</output>

<result>1.2</result>