Originally, each tape recorder was priced at 500 yuan, but now each is priced at 350 yuan. How much is the price cut for each recorder?
原来每台录音机售价500元，现在每台售价350元，每台降价了百分之几？
<gadget id="calculator">500 - 350</gadget>
<output>150</output>

<gadget id="calculator">150 / 500</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>