A box of Coke is 72 yuan, and a box of 24 bottles, Xinxin wants to buy three bottles, how much does it cost?
一箱可乐72元，一箱24瓶，欣欣要买三瓶，需要付多少钱？
<gadget id="calculator">72 / 24</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>