Teacher Wang wants to buy a car, the price of which is 128,000 yuan. If installment payment is adopted, an additional 5.5% interest will be paid. If you make a one-time payment, you can enjoy a 2% discount. Please do the math, how much more will it cost to pay in installments than in one lump sum?
王老师想买一辆汽车，车价是12.8万元．如果采用分期付款，要多付5.5%的利息．如果一次性付款，可以优惠2%．请你算一算，采用分期付款比一次性付款要多花多少钱？
<gadget id="calculator">5.5 / 100</gadget>
<output>0.055</output>

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">0.055 + (1/50)</gadget>
<output>0.075</output>

<gadget id="calculator">12.8 * 0.075</gadget>
<output>0.96</output>

<result>0.96</result>