For a batch of parts, 140 parts are processed first, and then the rest (3/5) are processed, and all (1/6) are left. How many parts are there in this batch?
一批零件，先加工140个，又加工余下的(3/5)，还剩全部的(1/6)，这批零件有多少个？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">140 * (3/5)</gadget>
<output>84</output>

<gadget id="calculator">140 - 84</gadget>
<output>56</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (3/5) - (1/6)</gadget>
<output>7/30 = around 0.233333</output>

<gadget id="calculator">56 / (7/30)</gadget>
<output>240</output>

<result>240</result>