Master Chen processed a batch of parts, and processed 68 parts in 2 days. According to this calculation, the task can be completed in 5 days. How many parts are there in total in this batch?
陈师傅加工一批零件，2天加工了68个，照这样计算，加工5天刚好完成任务，这批要加工的零件一共有多少个？
<gadget id="calculator">68 / 2</gadget>
<output>34</output>

<gadget id="calculator">34 * 5</gadget>
<output>170</output>

<result>170</result>