Uncle Li spent 3,200 yuan in the mall to buy a TV with a 20% discount, but the mall’s "May 1st" promotional event sold this TV at 30% off the original price. In comparison, Uncle Li spent more How much?
李叔叔在商场花了3200元买了一台打八折的电视机，可商场"五一"搞促销活动又将这款电视机以原价的七折出售，相比之下李叔叔多花了多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3_200 / (4/5)</gadget>
<output>4_000</output>

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(4/5) - (7/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">4_000 * (1/10)</gadget>
<output>400</output>

<result>400</result>