To buy a car, you need to pay 10% more in installments, and you can get a 5% discount if you pay in cash. Uncle Lin did some calculations, and there was a price difference of 18,000 yuan between the two methods. How much is the original price of this car?
买一辆车，分期付款要多付10%，若现金付款可以打九五折．林叔叔算了一下，两种方式有18000元的差价．这辆车的原价是多少元？
<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>