There are 8 bottles of beverages, 2 of which have expired. If you take a bottle at random, what is the probability of getting a non-expired beverage?
有8瓶饮料，其中2瓶已过期，随机拿一瓶，拿到没过期饮料的可能性是多少．
<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>