The original price of a product is 50 yuan, and the price is reduced by 10 yuan. How much is the price reduction of this product?
一件商品原价50元，降价10元，这件商品降价多少
<gadget id="calculator">10 / 50</gadget>
<output>1/5 = around 0.2</output>

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