3 workers process 90 parts in 5 hours, if it takes 8 hours to complete the processing of 576 parts, how many workers are needed?
3名工人5小时加工零件90件，若用8小时正好完成576个零件的加工，需要工人多少人？
<gadget id="calculator">90 / 5 / 3</gadget>
<output>6</output>

<gadget id="calculator">576 / 8 / 6</gadget>
<output>12</output>

<result>12</result>