A, B, and C have to process 680 parts in total. When A has processed 80 parts, B has processed 60 parts, and C has completed (1/3) of his task, A, B, and C have not yet processed The ratio of the number of parts is 4:3:2, how many parts should C originally process?
甲、乙、丙三人共要加工零件680个，当甲加工了80个，乙加工了60个，丙完成了本身任务的(1/3)时，甲、乙、丙三人还没有加工零件个数的比是4：3：2，丙原来要加工零件多少个？
<gadget id="calculator">680 - 80 - 60</gadget>
<output>540</output>

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

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

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

<gadget id="calculator">4 + 3 + 3</gadget>
<output>10</output>

<gadget id="calculator">540 / 10</gadget>
<output>54</output>

<gadget id="calculator">54 * 3</gadget>
<output>162</output>

<result>162</result>