Xiao Li works 8 hours a day and produces 240 parts in 3 days. What is the average number of parts completed per hour?
小李每天工作8小时，3天生产零件240个，平均每小时完成总数的多少．
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<result>1/24 = around 0.041667</result>