Three workers assemble 320 parts together and complete it in 4 days. On average, how many parts can each worker assemble per day.
三个工人一起组装320个零件，4天完成，平均每个工人每天可以组装多少个零件．
<gadget id="calculator">320 / 3 / 4</gadget>
<output>80/3 = around 26.666667</output>

<result>80/3 = around 26.666667</result>