The fruit shop shipped 72 kilograms of apples, packed in 6 cartons on average. 3 yuan per kilogram of apples, how much is each box of apples.
水果店运来72千克苹果，平均装在6个纸箱里．每千克苹果3元，每箱苹果多少元．
<gadget id="calculator">72 / 6</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>