Mom went to the fruit shop and bought 2 kilograms of apples and pears each, and the total cost was 10.4 yuan. It is known that apples sell for 2.4 yuan per kilogram, how much is pear per kilogram?
妈妈到水果店各买了2千克苹果和梨子，一共用了10.4元．已知苹果每千克卖2.4元，问梨子每千克多少钱？
<gadget id="calculator">2.4 * 2</gadget>
<output>4.8</output>

<gadget id="calculator">10.4 - 4.8</gadget>
<output>5.6</output>

<gadget id="calculator">5.6 / 2</gadget>
<output>2.8</output>

<result>2.8</result>