The original price of a commodity is 8 yuan, and the current price is reduced to 5 yuan. How much is the decrease?
一种商品原价8元，现价下降为5元，下降了多少
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>