Master Wang processed a batch of parts, 20% of the total was processed on the first day, and 2/15 of the total was processed on the second day, leaving 160 parts. How many parts are there in total?
王师傅加工一批零件，第一天加工了总数的20%，第二天加工了总数的(2/15)，还剩下160个零件，这批零件共多少个？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">1 - (1/5) - (2/15)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">160 / (2/3)</gadget>
<output>240</output>

<result>240</result>