A piece of steel, cut off (2/5) meters for the first time, cut off (1/5) meters for the second time, and the remaining is the same as the first time. How many meters is this steel originally?
一根钢材，第一次截去(2/5)米，第二次截去(1/5)米，剩下的和第一次截去的一样多．这根钢材原有多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">(2/5) + (1/5) + (2/5)</gadget>
<output>1</output>

<result>1</result>