box of Sprite (12 bottles) used to cost 84 yuan, but now it is 2 yuan cheaper per bottle. How much is each bottle of Sprite now?
原来一箱雪碧(12瓶)卖84元，现在每瓶便宜2元，现在每瓶雪碧多少元？
<gadget id="calculator">84 / 12</gadget>
<output>7</output>

<gadget id="calculator">7 - 2</gadget>
<output>5</output>

<result>5</result>