2 workers produce a total of 4 parts in 3 days. According to this calculation, how many parts can be produced by 5 workers in 6 days.
2名工人3天共生产4个零件，照这样计算，5个工人6天可以生产这种零件多少个．
<gadget id="calculator">4 / 3 / 2</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 5 * 6</gadget>
<output>20</output>

<result>20</result>