It costs 480 yuan to buy 6 sets of "One Hundred Thousand Whys". How much is it to buy one set of "One Hundred Thousand Whys"?
购买6套《十万个为什么》用了480元，买一套《十万个为什么》需多少元？
<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<result>80</result>