The original price of a piece of clothing is 120 yuan, and the current price is 100 yuan, which is reduced by ((())/(())).
一件衣服原价120元，现价100元，降低了((())/(()))．
<gadget id="calculator">120 - 100</gadget>
<output>20</output>

<gadget id="calculator">20 / 120</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>