Two workers, A and B, planned to make 540 parts. After 4 hours, A completed 60% of the total plan, and B completed (2/3) of the total plan. How many did you actually do?
甲、乙两个工人计划做540个零件，4小时后甲做了总计划的60%，乙做了总计划的(2/3)．实际做了多少个？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/5) + (2/3)</gadget>
<output>19/15 = around 1.266667</output>

<gadget id="calculator">540 * (19/15)</gadget>
<output>684</output>

<result>684</result>