The number of parts processed by the apprentice in 5 hours is: 28, 30, 32, 25, and 40, and the number of parts processed by the master in 4 hours is: 36, 38, 42, and 24. Who is more productive? How high is it?
徒弟5小时加工的零件数分别是：28个、30个、32个、25个、40个，师傅4小时加工的零件数分别是：36个、38个、42个、24个．谁的工作效率高？高多少？
<gadget id="calculator">36 + 38 + 42 + 24</gadget>
<output>140</output>

<gadget id="calculator">140 / 4</gadget>
<output>35</output>

<gadget id="calculator">28 + 30 + 32 + 25 + 40</gadget>
<output>155</output>

<gadget id="calculator">155 / 5</gadget>
<output>31</output>

<gadget id="calculator">35 - 31</gadget>
<output>4</output>

<result>4</result>