The Hongqi workshop produced a batch of parts in three days (1/3) of the total number on the first day, 20 more than the first day on the second day, and 55 on the third day. How many parts are there in this batch?
红旗车间三天生产了一批零件第一天生产了总数的(1/3)，第二天比第一天多生产20个第三天生产了55个．这批零件共有多少个？
<gadget id="calculator">20 + 55</gadget>
<output>75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3) - (1/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">75 / (1/3)</gadget>
<output>225</output>

<result>225</result>