The rented warehouse has a total of 2 tons of goods piled up, and the monthly rent is 6,000 yuan. These goods were originally expected to be sold for 2 months. Due to the price reduction, they were sold out in 1 month, thus saving rent. After settlement, instead of earning 1,000 yuan more, how much will the price be reduced per kilogram of goods.
租用仓库共堆放货物2吨，每月租金6千元，这些货原来估计要销售2个月，由于降低价格，结果1个月就销售完了，因而节省了租金．结算下来，反而多赚1千元，每千克货物降低价格多少元．
<gadget id="calculator">6 * 1_000</gadget>
<output>6_000</output>

<gadget id="calculator">6_000 + 6_000</gadget>
<output>12_000</output>

<gadget id="calculator">2 * 1_000</gadget>
<output>2_000</output>

<gadget id="calculator">12_000 / 2_000</gadget>
<output>6</output>

<gadget id="calculator">6_000 + 1_000</gadget>
<output>7_000</output>

<gadget id="calculator">7_000 / 2_000</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">6 - (7/2)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>