During the "Children's Day" period, a certain brand of toy car in the shopping mall first cuts the price by 30%, and then sells it with a 30% price increase. At this time, the price of the toy car is lower than the original price, or is it higher? What is the increase and decrease?
在"六一"儿童节期间，商场某品牌玩具车先降价30%，再提价30%出售，这时该玩具车的价格比原价降低了，还是升高了？涨跌幅是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">(7/10) * (13/10)</gadget>
<output>91/100 = around 0.91</output>

<gadget id="calculator">1 - (91/100)</gadget>
<output>9/100 = around 0.09</output>

<result>9/100 = around 0.09</result>