Jia Bing bought an iPhone at 20% off the original price, and then sold it to Nobita for a 20% increase in the original price, earning 3,200 yuan. What was the original price of the iPhone?
家炳原价八折买了一部iPhone，后来原价加价2成卖了给大雄赚了3200元，问iPhone的原价是多少？
<gadget id="calculator">1.2 - 0.8</gadget>
<output>0.4</output>

<gadget id="calculator">3_200 / 0.4</gadget>
<output>8_000</output>

<result>8_000</result>