Mom buys two boxes of the same apple for 304 yuan, and each box of apples weighs 19 kilograms. How much is the apple per kilogram?
妈妈买两箱同样的苹果用去304元，每箱苹果19千克，苹果每千克多少元？
<gadget id="calculator">19 * 2</gadget>
<output>38</output>

<gadget id="calculator">304 / 38</gadget>
<output>8</output>

<result>8</result>