The farm tool factory produces a batch of farm tools. It originally planned to produce 80 pieces per day, but actually produced 6 more pieces per day than the original plan. As a result, the task was completed 1.5 days ahead of schedule. How many pieces of farm equipment are in this batch?
农具厂生产一批农具，原计划每天生产80件，实际每天比原计划多生产6件，结果提前1.5天完成任务．这批农具有多少件？
<gadget id="calculator">1 / 80</gadget>
<output>1/80 = around 0.0125</output>

<gadget id="calculator">80 + 6</gadget>
<output>86</output>

<gadget id="calculator">1 / 86</gadget>
<output>1/86 = around 0.011628</output>

<gadget id="calculator">(1/80) - (1/86)</gadget>
<output>3/3_440 = around 0.000872</output>

<gadget id="calculator">1.5 / (3/3_440)</gadget>
<output>1_720</output>

<result>1_720</result>