A fruit merchant goes to the pear production site to purchase pears. The purchase price is 1.2 yuan per kilogram. The distance from the production site to the store is 400 kilometers, and the freight is 1.5 yuan per ton of goods per kilometer. The loss of pears is 10%. If the businessman wants to achieve a profit rate of 25%, how much should the retail price of this batch of pears be?
某水果商到梨生产地去收购梨，收购价为每千克1.2元，从产地到商店的路程是400千米，运费为每吨货物每运1千米收1.5元，如果在运输和销售中的损耗是10%，商人要想实现25%的利润率，那么这批梨的零售价应卖每千克多少元．
<gadget id="calculator">1.2 * 0.25</gadget>
<output>0.3</output>

<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">400 * 1.5 * (1/1_000)</gadget>
<output>0.6</output>

<gadget id="calculator">400 * 1.5 * (1/1_000) * 0.25</gadget>
<output>0.15</output>

<gadget id="calculator">1.2 + 0.3 + 0.6 + 0.15</gadget>
<output>2.25</output>

<gadget id="calculator">1 - 0.1</gadget>
<output>0.9</output>

<gadget id="calculator">2.25 / 0.9</gadget>
<output>2.5</output>

<result>2.5</result>