Fang Fang bought 3 kg of apples and 5 kg of pears, and it cost 48 yuan; if she bought 2 kg of apples and 6 kg of pears, it cost 48.8 yuan. How much is an apple per kilogram?
芳芳买了3千克苹果和5千克梨，需要48元钱；如果买2千克苹果和6千克梨，则需要48.8元．每千克苹果多少元钱？
<gadget id="calculator">48.8 * 3</gadget>
<output>146.4</output>

<gadget id="calculator">48 * 2</gadget>
<output>96</output>

<gadget id="calculator">146.4 - 96</gadget>
<output>50.4</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">18 - 10</gadget>
<output>8</output>

<gadget id="calculator">50.4 / 8</gadget>
<output>6.3</output>

<gadget id="calculator">6.3 * 5</gadget>
<output>31.5</output>

<gadget id="calculator">48 - 31.5</gadget>
<output>16.5</output>

<gadget id="calculator">16.5 / 3</gadget>
<output>5.5</output>

<result>5.5</result>