The truck delivered 15 boxes of purified water and 15 boxes of Coke to the cold drink shop. Each box contains 24 bottles. How many bottles are there in total?
货车给冷饮店送去15箱纯净水和15箱可乐，每箱都是24瓶，一共有多少瓶？
<gadget id="calculator">15 * 2 * 24</gadget>
<output>720</output>

<result>720</result>