An engineering team invested 200,000 yuan to complete a project, saving (1/5) compared to the plan. How much was the investment saved compared to the plan?
某工程队投资20万元完成了一项工程，比计划节约了(1/5)，比计划节约投资了多少万元？
<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">20 / (4/5)</gadget>
<output>25</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<result>5</result>