The students participated in voluntary labor and helped the vegetable garden pick tomatoes. The first class consisted of 38 people, with an average of 14 kilograms per person, and the second class with 36 people picked a total of 578 kilograms. How many kilograms did each person pick on average in these two classes?
同学们参加义务劳动，帮蔬菜园摘西红柿，一班38人，平均每人摘14千克，二班36人共摘578千克，这两个班平均每人摘多少千克？
<gadget id="calculator">14 * 38</gadget>
<output>532</output>

<gadget id="calculator">532 + 578</gadget>
<output>1_110</output>

<gadget id="calculator">38 + 36</gadget>
<output>74</output>

<gadget id="calculator">1_110 / 74</gadget>
<output>15</output>

<result>15</result>