According to spot checks, there are 62 out of every 100 pieces of a batch of products that reach the first-class standard. There are a total of 10,000 pieces of this batch of products. How many pieces meet the standard of first-class products?
根据抽查，有一批产品每100件中达到一等品标准的有62件．这批产品一共有1万件，达到一等品标准的大约有多少件？
<gadget id="calculator">62 / 100</gadget>
<output>31/50 = around 0.62</output>

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

<gadget id="calculator">(31/50) * 1 * 10_000</gadget>
<output>6_200</output>

<result>6_200</result>