4 bottles of 600ml Sprite are equivalent to how many bottles of 200ml Sprite.
4瓶600毫升的雪碧相当于多少瓶200毫升的雪碧．
<gadget id="calculator">600 / 200</gadget>
<output>3</output>

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

<result>12</result>