A box of 24 bottles of mineral water costs 1.8 yuan per bottle. How much does it cost to buy a box?
一箱矿泉水24瓶，每瓶1.8元．买一箱一共需要多少元？
<gadget id="calculator">1.8 * 24</gadget>
<output>43.2</output>

<result>43.2</result>