According to a survey, the price of pork in a certain place in October dropped by 10% compared to September, and in November it increased by 12% compared to October. Did pork prices rise or fall in November compared to September? What is the increase and decrease?
据调查，某地十月份猪肉价格比九月份下降了10%，十一月份比十月份又涨价了12%．十一月份猪肉价格比九月份涨了还是跌了？涨跌幅是多少？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 + (3/25)</gadget>
<output>28/25 = around 1.12</output>

<gadget id="calculator">(28/25) / 1</gadget>
<output>28/25 = around 1.12</output>

<gadget id="calculator">1 * (9/10) * (28/25)</gadget>
<output>126/125 = around 1.008</output>

<gadget id="calculator">(126/125) - 1</gadget>
<output>1/125 = around 0.008</output>

<result>1/125 = around 0.008</result>