A car sold for 200,000 yuan last year, and this year it is 40,000 yuan cheaper than last year. How much is the price cut this year compared to last year?
一种汽车去年售价20万元，今年比去年降价4万元．今年比去年降价百分之几？
<gadget id="calculator">4 / 20</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>