The toy factory plans to produce a batch of parts in June. In fact, the plan was completed in the first half of the month (7/12), the plan was completed in the second half of the month (3/4), and what percentage of the plan was overfulfilled in the whole month?
玩具厂六月份计划生产一批零件．实际上上半月完成计划的(7/12)，下半月完成计划的(3/4)，全月超额完成计划的几分之几？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(7/12) + (3/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(4/3) - 1</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>