A project plans to invest 180,000 yuan, but the actual investment is less than the planned investment (1/10), how much is the actual investment?
一项工程计划投资18万元，实际投资比计划投资少(1/10)，实际投资多少万元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">18 * (1/10)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">18 - (9/5)</gadget>
<output>81/5 = around 16.2</output>

<result>81/5 = around 16.2</result>