A professional chicken farmer had an income of 85,000 yuan last year. This year's income is 20% higher than last year. How much more did you earn this year than last year?
某养鸡专业户，去年收入85000元．今年的收入比去年增多20%．今年比去年多收入多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">85_000 * (1/5)</gadget>
<output>17_000</output>

<result>17_000</result>