The store shipped a batch of yogurt, sold 33 pieces and left 28 pieces. How many pieces of yogurt did the store ship?
商店运来一批酸奶，卖出33件还剩28件．商店运来多少件酸奶？
<gadget id="calculator">32 + 28</gadget>
<output>60</output>

<result>60</result>