Uncle Li and Uncle Wang process a batch of parts together. Uncle Li processes 50 parts per hour, and Uncle Wang processes 8 parts less than Uncle Li per hour. They work together for 6 hours to complete the task. How many parts are there in total?
李叔叔和王叔叔一起加工一批零件，李叔叔每小时加工50个，王叔叔每小时加工的零件比李叔叔少加工8个，两人一起工作了6小时才完成任务．这批零件一共有多少个？
<gadget id="calculator">50 - 8</gadget>
<output>42</output>

<gadget id="calculator">42 + 50</gadget>
<output>92</output>

<gadget id="calculator">92 * 6</gadget>
<output>552</output>

<result>552</result>