A worker processes 4 parts in 5 hours, what is the average time required to process each part
某工人5小时加工4个零件，平均加工每个零件所需要的时间是多少
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>