Mom bought 3 kilograms of apples and 2 kilograms of oranges in the supermarket, and shared them for 26 yuan. It is known that each kilogram of oranges is 4 yuan, so how much is each kilogram of apples?
妈妈在超市里买了3千克苹果和2千克橘子，共用去26元，已知每千克橘子4元，那么苹果每千克多少元？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">26 - 8</gadget>
<output>18</output>

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

<result>6</result>