There were 200,000 telephone subscribers in a certain city in the year before last, an increase of 60% over the previous year, and 20% less than the existing telephone subscribers this year. How many thousands of telephone subscribers have there been this year?
某市前年有电话用户20万个，去年比前年增加60%，比今年已有的电话用户少20%．今年已有电话用户多少万个？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">20 / 100</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">(8/5) / (4/5)</gadget>
<output>2</output>

<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<result>40</result>