Taiping Fruit Shop sold 6 boxes of apples today, each weighing 5 kg, with a total income of 150 yuan. How much is an apple per kilogram?
太平水果店今天卖出了6箱苹果，每箱5千克，共收入150元．每千克苹果多少元？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">150 / 30</gadget>
<output>5</output>

<result>5</result>