To buy a car priced at 200,000 yuan, there are two different payment methods. One is a one-time payment with a 5% discount. The second is that the installment payment will increase the price by 7%. How much more is the installment payment than the one-time payment?
购买一辆售价为20万元的轿车，有两种不同的付款方式，一是一次性付款可优惠5%．二是分期付款要加价7%，分期付款比一次性付款要多付多少万元？
<gadget id="calculator">7 / 100</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">(7/100) - (19/20)</gadget>
<output>-22/25 = around -0.88</output>

<gadget id="calculator">1 + (-22/25)</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">20 * (3/25)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>