A company with an average monthly turnover of 200,000 yuan last year was taxed at 10% of the turnover. How much was the company's actual revenue last year?
一个公司去年平均每月营业额20万元，按照营业额的10%纳税．这个公司去年的实际收入是多少万元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">20 * (1/10)</gadget>
<output>2</output>

<gadget id="calculator">20 - 2</gadget>
<output>18</output>

<result>18</result>