Aunt Zhang went to the supermarket to buy 4 kilograms of bananas and 3.5 kilograms of apples, which cost a total of 24.2 yuan. It is known that the price of bananas per kilogram is 3.6 yuan, how much is the price of apples per kilogram?
张阿姨去超市买了4千克香蕉和3.5千克苹果，共花去24.2元．已知每千克香蕉的价钱是3.6元，每千克苹果的价钱是多少元？
<gadget id="calculator">4 * 3.6</gadget>
<output>14.4</output>

<gadget id="calculator">24.2 - 14.4</gadget>
<output>9.8</output>

<gadget id="calculator">9.8 / 3.5</gadget>
<output>2.8</output>

<result>2.8</result>