The store shipped a batch of biscuits, and after selling 32 kilograms, there were 28 kilograms left. How many kilograms of biscuits did the store ship? (column contains solutions to equations with unknown x)
商店运来一批饼干，卖出32千克后，还剩28千克．商店运来多少千克饼干？(列含有未知数x的等式解答)
<gadget id="calculator">28 + 32</gadget>
<output>60</output>

<result>60</result>