The qualification rate of an electronic product is 96%. If a batch of 1600 products is produced, how many unqualified products are there?
一种电子产品的合格率为96%，如果生产一批产品1600个，不合格的产品有多少个？
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">1_600 * (24/25)</gadget>
<output>1_536</output>

<gadget id="calculator">1_600 - 1_536</gadget>
<output>64</output>

<result>64</result>