The task of processing a batch of parts is equally divided among three workers. A has processed 186 pieces, B has processed 207 pieces, and C has processed 127 pieces. At this time, the total number left by the three is equal to the number allocated to each person. So how many A are left?
把加工一批零件的任务平均分给三名工人．甲加工了186个，乙加工了207个，丙加工了127个，这时三人剩下的总数与每人分到的个数相等．那么甲还剩下多少个？
<gadget id="calculator">186 + 207 + 127</gadget>
<output>520</output>

<gadget id="calculator">1 - 1</gadget>
<output>0</output>

<gadget id="calculator">1 + 1 + 0</gadget>
<output>2</output>

<gadget id="calculator">520 / 2</gadget>
<output>260</output>

<gadget id="calculator">260 - 186</gadget>
<output>74</output>

<result>74</result>