There are a total of 10,000 pieces of products in a batch. According to the spot check, 82 out of every 100 pieces of this batch of products meet the standard of first-class products. How many pieces of this batch of products meet the standard of first-class products?
一批产品一共有1万件，根据抽查，这批产品中每100件达到一等品标准有82件，这批产品达到一等品标准的大约有多少件？
<gadget id="calculator">82 / 100</gadget>
<output>41/50 = around 0.82</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(41/50) * 1 * 10_000</gadget>
<output>8_200</output>

<result>8_200</result>