Guangming clothing store sold a total of 80 pieces of clothing a day, and sold 50 pieces in the morning at 160 yuan each. According to this calculation, how much more is the sale in the morning than in the afternoon? (answer in different ways)
光明服装店一天共卖出80件服装，上午卖出了50件，每件160元．照这样计算，上午比下午多卖多少元？(用不同方法解答)
<gadget id="calculator">50 * 160</gadget>
<output>8_000</output>

<gadget id="calculator">80 - 50</gadget>
<output>30</output>

<gadget id="calculator">30 * 160</gadget>
<output>4_800</output>

<gadget id="calculator">8_000 - 4_800</gadget>
<output>3_200</output>

<result>3_200</result>