To buy a car, you need to increase the price by 5% if you pay in installments. If you buy in cash, you can enjoy a 5% discount. Uncle Li did the math and found that paying by installments would cost 8,500 yuan more than buying in cash. How much is the original price of this car?
买一辆汽车，分期付款购买需要加价5%，如果现金购买可按九五折优惠．李叔叔算了算，发现分期付款要比现金购买多付8500元．这辆车的原价是多少元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<gadget id="calculator">(1/20) - (19/20)</gadget>
<output>-9/10 = around -0.9</output>

<gadget id="calculator">1 + (-9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">8_500 / (1/10)</gadget>
<output>85_000</output>

<result>85_000</result>