The master and the apprentice process a batch of parts, the apprentice processes 35 parts per hour, and the number of parts processed by the master per hour is 28 times less than that of the apprentice. How many parts does the master process per hour?
师徒二人加工一批零件，徒弟每小时加工35个，师傅每小时加工的个数比徒弟3倍少28个．师傅每小时加工零件多少个？
<gadget id="calculator">35 * 3</gadget>
<output>105</output>

<gadget id="calculator">105 - 28</gadget>
<output>77</output>

<result>77</result>