Aunt Li bought 830 cases of drinks, sold 383 cases in the first week, sold 279 cases in the second week, and sold out the rest in the third week. How many cases of drinks did Aunt Li sell in the third week?
李阿姨购进830箱饮料，第一周卖了383箱，第二周卖了279箱，剩下的第三周卖完，李阿姨第三周卖了多少箱饮料？
<gadget id="calculator">830 - 383 - 279</gadget>
<output>168</output>

<result>168</result>