Xiao Wang buys air tickets for a tourist group of 16 people. There are economy class and business class seats to choose from. The fare for economy class is 720 yuan/person, and the fare for business class is 1,500 yuan/person. The total cost of buying tickets this time is 13,080 yuan, so how many economy class tickets did Xiao Wang buy?
小王为一个16人的旅游团购买飞机票，座位有经济舱和商务舱可选择，其中经济舱的票价是720元/人，商务舱的票价是1500元/人．这次购票共花费13080元，则小王购买了多少张经济舱机票．
<gadget id="calculator">720 * 16</gadget>
<output>11_520</output>

<gadget id="calculator">13_080 - 11_520</gadget>
<output>1_560</output>

<gadget id="calculator">1_500 - 720</gadget>
<output>780</output>

<gadget id="calculator">1_560 / 780</gadget>
<output>2</output>

<gadget id="calculator">16 - 2</gadget>
<output>14</output>

<result>14</result>