The planned investment in Xiaoming's home decoration is 160,000 yuan, which is actually an increase of (1/8) compared with the plan. How much is the actual cost.
小明家装修计划投资16万元，实际比计划增加了(1/8)，实际花了多少万元．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">16 * (9/8)</gadget>
<output>18</output>

<result>18</result>