For a small car, the installment payment is 10% more than the fixed price. If you pay in cash, you can get a 5% discount. Uncle Zhang did some calculations, and there was a price difference of 18,000 yuan between the two payment methods. How much is the price of this car?
一辆小汽车，分期付款要比定价多付10%，若现金一次性付款能打九五折．张叔叔算了一下，两种付款方式有18000元的差价．这辆小汽车定价是多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">(1/10) - (19/20)</gadget>
<output>-17/20 = around -0.85</output>

<gadget id="calculator">1 + (-17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">18_000 / (3/20)</gadget>
<output>120_000</output>

<result>120_000</result>