Master Zhang made a batch of machine parts, originally planned to make 50 pieces per day, and completed it in 6 days. Actually do 10 more every day. What fraction of the total number of parts in this batch is actually made every day?
张师傅做一批机器零件，原计划每天做50个，6天完成．实际每天多做10个．实际每天做的零件占这批零件总数的几分之几？
<gadget id="calculator">50 + 10</gadget>
<output>60</output>

<gadget id="calculator">50 * 6</gadget>
<output>300</output>

<gadget id="calculator">60 / 300</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>