The store sells two baskets of the same pears, the first basket is 25 kg, and the second basket is 30 kg. The price of the first basket is 12.5 yuan less than that of the second basket. What is the average price per kilogram of pears? (column equation solution)
商店卖出两筐同样的梨，第一筐25千克，第二筐30千克，第一筐比第二筐少卖了12.5元．平均每千克梨的价钱是多少元？(列方程解答)
<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<gadget id="calculator">12.5 / 5</gadget>
<output>2.5</output>

<result>2.5</result>