Xiaohua bought 3 kilograms of apples and 2.5 kilograms of pears for a total of 367 yuan. Apples are 7.9 yuan per kilogram. How much are pears per kilogram? (Use the arithmetic method first, then formulate the solution)
小华买来3千克苹果和2.5千克梨子共用367元钱，苹果每千克7.9元，梨子每千克多少元？(先用算术方法，再列方程解答)
<gadget id="calculator">3 * 7.9</gadget>
<output>23.7</output>

<gadget id="calculator">367 - 23.7</gadget>
<output>343.3</output>

<gadget id="calculator">343.3 / 2.5</gadget>
<output>137.32</output>

<result>137.32</result>