Master Wang made 90 parts on the first day, and 80 parts on the second day. (5/6) completed the task in two days. How many parts are there in this batch?
王师傅第一天做零件90个，第二天做零件80个，两天共完成任务的(5/6)，这批零件有多少个？
<gadget id="calculator">90 + 80</gadget>
<output>170</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">170 / (5/6)</gadget>
<output>204</output>

<result>204</result>