Mingming bought a kind of ceramic tile when renovating the kitchen. He bought 17 packs for the first time and 13 packs for the second time. It costs 960 yuan for two times. How much is the average package of this kind of tiles?
明明家装修厨房时购买一种瓷砖，第一次买了17包，第二次买了13包．两次一共用去960元，这种瓷砖平均每包多少元？
<gadget id="calculator">17 + 13</gadget>
<output>30</output>

<gadget id="calculator">960 / 30</gadget>
<output>32</output>

<result>32</result>