Master Li has processed a batch of parts, 47 of which have been processed, and there are 33 left to be processed. What percentage of this batch of parts has been completed?
李师傅加工一批零件，已经加工了47个，还剩33个没有加工，已经完成了这批零件的几分之几？
<gadget id="calculator">47 + 33</gadget>
<output>80</output>

<gadget id="calculator">47 / 80</gadget>
<output>47/80 = around 0.5875</output>

<result>47/80 = around 0.5875</result>