Mom bought 2 boxes of apples, 13 kilograms each, and the total cost was 104 yuan. How much is the average price per kilogram? (two ways to answer)
妈妈买了2箱苹果，每箱13千克，一共用了104元，平均每千克多少元？(两种方法解答)
<gadget id="calculator">2 * 13</gadget>
<output>26</output>

<gadget id="calculator">104 / 26</gadget>
<output>4</output>

<result>4</result>