The current price of a commodity is 35 yuan, which is 5 yuan lower than the original price. Find the "decrease by what percentage?" What is the wrong formula?
一种商品现价35元，比原价降低了5元，求"降低了百分之几？"列式错误的是多少
<gadget id="calculator">35 + 5</gadget>
<output>40</output>

<gadget id="calculator">5 / 40</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>