Mom bought 4 kilograms of oranges for 50 yuan, and the money she got back can buy 6 kiwis. Each kiwi fruit costs 3 yuan. How much is the price per kilogram of oranges?
妈妈用50元买了4千克桔子，找回的钱正好可以买6只猕猴桃，每只猕猴桃售价3元，每千克桔子售价是多少元？
<gadget id="calculator">3 * 6</gadget>
<output>18</output>

<gadget id="calculator">50 - 18</gadget>
<output>32</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<result>8</result>