After a certain product undergoes technological innovation, the cost of each product is now 36 yuan, which is 12 yuan lower than the original cost. How much is the cost reduced?
某产品经过技术革新后，现在每件产品成本36元，比原来降低12元，成本降低多少．
<gadget id="calculator">36 + 12</gadget>
<output>48</output>

<gadget id="calculator">12 / 48</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>