The food store shipped 400 boxes of mineral water, and the quantity of beverages shipped was 0.7 times that of mineral water. How many boxes of the two beverages were shipped in total?
食品店运来400箱矿泉水，运来饮料的数量是矿泉水的0.7倍，两种饮品一共运来多少箱？
<gadget id="calculator">400 * 0.7</gadget>
<output>280</output>

<gadget id="calculator">280 + 400</gadget>
<output>680</output>

<result>680</result>