A box of 12 bottles of orange juice costs 48 yuan. Fangfang wants to buy 3 bottles. How much does it cost?
一箱12瓶橙汁48元，芳芳要买3瓶，需要多少元？
<gadget id="calculator">48 / 12</gadget>
<output>4</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>