A small hydropower station plans to invest 1.8 million yuan, but the actual savings are (2/5) compared to the plan. How much is the actual investment?
某小型水电站计划投资180万元，实际比计划节约(2/5)，实际投资多少万元？
<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">180 * (3/5)</gadget>
<output>108</output>

<result>108</result>